Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{MASLO_1958__8_4_a0, author = {Kajan, Juraj}, title = {Pozn\'amka o \v{s}trukt\'ure ist\'eho typu z\v{l}ava jednoduch\'ych pologr\'up}, journal = {Mathematica slovaca}, pages = {187--192}, publisher = {mathdoc}, volume = {08}, number = {4}, year = {1958}, mrnumber = {0103939}, zbl = {0087.25401}, language = {sl}, url = {http://geodesic.mathdoc.fr/item/MASLO_1958__8_4_a0/} }
Kajan, Juraj. Poznámka o štruktúre istého typu zľava jednoduchých pologrúp. Mathematica slovaca, Tome 08 (1958) no. 4, pp. 187-192. http://geodesic.mathdoc.fr/item/MASLO_1958__8_4_a0/