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Free Abelian extensions in the congruence-permutable varieties

Pavel Zhdanovich

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The Polish Digital Mathematics Library
Completion of a half linearly cyclically ordered group

Štefan Černák

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p. 5-23

The Polish Digital Mathematics Library
On some finite groupoids with distributive subgroupoid lattices

Konrad Pióro

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p. 25-31

The Polish Digital Mathematics Library
Balanced d-lattices are complemented

Martin Goldstern ; Miroslav Ploščica

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p. 33-37

The Polish Digital Mathematics Library
Power-ordered sets

Martin R. Goldstern ; Dietmar Schweigert

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p. 39-46

The Polish Digital Mathematics Library
On generalized Hom-functors of certain symmetric monoidal categories

Hans-Jürgen Vogel

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p. 47-71

The Polish Digital Mathematics Library
On the lattice of additive hereditary properties of finite graphs

Ján Jakubík

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p. 73-86

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Equational bases for weak monounary varieties

Grzegorz Bińczak

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p. 87-100

The Polish Digital Mathematics Library
On p-semirings

Branka Budimirović ; Vjekoslav Budimirović ; Branimir Šešelja

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p. 107-117

The Polish Digital Mathematics Library
On M-operators of q-lattices

Radomír Halaš

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p. 119-129

The Polish Digital Mathematics Library
Congruence submodularity

Ivan Chajda ; Radomír Halaš

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p. 131-139

The Polish Digital Mathematics Library
Lexico extension and a cut completion of a half l-group

Štefan Černák ; Milan Demko

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p. 141-152

The Polish Digital Mathematics Library
Frobenius n-group algebras

Biljana Zeković

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p. 153-159

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An inverse matrix of an upper triangular matrix can be lower triangular

Waldemar Hołubowski

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p. 161-166

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Classification systems and their lattice

Sándor Radeleczki

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p. 167-181

The Polish Digital Mathematics Library
Quasi-implication algebras

Ivan Chajda ; Kamil Dušek

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p. 183-198

The Polish Digital Mathematics Library