Free extensions of coupled systems
Havel, Václav
Archivum Mathematicum, Tome 003 (1967), p. 65-68 / Harvested from Czech Digital Mathematics Library
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Publié le : 1967-01-01
Classification:  51A35 
@article{104631,
     author = {V\'aclav Havel},
     title = {Free extensions of coupled systems},
     journal = {Archivum Mathematicum},
     volume = {003},
     year = {1967},
     pages = {65-68},
     zbl = {0205.24403},
     mrnumber = {0222760},
     language = {en},
     url = {http://dml.mathdoc.fr/item/104631}
}

Havel, Václav. Free extensions of coupled systems. Archivum Mathematicum, Tome 003 (1967) pp. 65-68. http://gdmltest.u-ga.fr/item/104631/

G. Pickert Projektive Ebenen, Berlin-Göttingen--Heidelberg 1955; p. 2. (1955) | MR 0073211 | Zbl 0066.38707