@article{GDZPPN002038471, title = {New closure conditions and some problems in loop theory.}, journal = {Aequationes mathematicae}, volume = {40}, year = {1990}, pages = {314-314}, url = {http://dml.mathdoc.fr/item/GDZPPN002038471} }
Shelekhov, A.M. New closure conditions and some problems in loop theory.. Aequationes mathematicae, Tome 40 (1990) p. 314. http://gdmltest.u-ga.fr/item/GDZPPN002038471/