@article{105494, author = {Jarmila Lis\'a}, title = {Cardinal sums and direct products in Galois connections}, journal = {Commentationes Mathematicae Universitatis Carolinae}, volume = {014}, year = {1973}, pages = {325-338}, zbl = {0265.06004}, mrnumber = {0329980}, language = {en}, url = {http://dml.mathdoc.fr/item/105494} }
Lisá, Jarmila. Cardinal sums and direct products in Galois connections. Commentationes Mathematicae Universitatis Carolinae, Tome 014 (1973) pp. 325-338. http://gdmltest.u-ga.fr/item/105494/
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