Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{CMUC_1979__20_1_a22, author = {Fri\v{c}, Roman and Hu\v{s}ek, Miroslav}, title = {$E$-sequential envelopes}, journal = {Commentationes Mathematicae Universitatis Carolinae}, publisher = {mathdoc}, volume = {20}, number = {1}, year = {1979}, language = {en}, url = {http://geodesic.mathdoc.fr/item/CMUC_1979__20_1_a22/} }
Frič, Roman; Hušek, Miroslav. $E$-sequential envelopes. Commentationes Mathematicae Universitatis Carolinae, Tome 20 (1979) no. 1. http://geodesic.mathdoc.fr/item/CMUC_1979__20_1_a22/