@article{104586, author = {Jan Han\'ak}, title = {Bemerkung zu Definition des Vektorraumes}, journal = {Archivum Mathematicum}, volume = {001}, year = {1965}, pages = {99-100}, zbl = {0168.02302}, mrnumber = {0193095}, language = {de}, url = {http://dml.mathdoc.fr/item/104586} }
Hanák, Jan. Bemerkung zu Definition des Vektorraumes. Archivum Mathematicum, Tome 001 (1965) pp. 99-100. http://gdmltest.u-ga.fr/item/104586/
Základy teorie grupoidů a grup, (Nakladatelství ČSAV, Praha 1962), s. 137-138. (1962) | MR 0155921