@article{GDZPPN002038587,
title = {New closure conditions and some problems in loop theory.},
journal = {Aequationes mathematicae},
volume = {41},
year = {1991},
pages = {79-84},
zbl = {0719.20037},
url = {http://dml.mathdoc.fr/item/GDZPPN002038587}
}
Shelekhov, A.M. New closure conditions and some problems in loop theory.. Aequationes mathematicae, Tome 41 (1991) pp. 79-84. http://gdmltest.u-ga.fr/item/GDZPPN002038587/