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@article{CMUC_1979__20_3_a6, author = {Jir\'asko, Josef}, title = {Generalized projectivity. {II.}}, journal = {Commentationes Mathematicae Universitatis Carolinae}, pages = {483--499}, publisher = {mathdoc}, volume = {20}, number = {3}, year = {1979}, mrnumber = {550450}, zbl = {0416.16005}, language = {en}, url = {http://geodesic.mathdoc.fr/item/CMUC_1979__20_3_a6/} }
Jirásko, Josef. Generalized projectivity. II.. Commentationes Mathematicae Universitatis Carolinae, Tome 20 (1979) no. 3, pp. 483-499. http://geodesic.mathdoc.fr/item/CMUC_1979__20_3_a6/