@article{02119182,
title = {On a problem of Avhadiev.},
journal = {Lobachevskii Journal of Mathematics},
volume = {15},
year = {2004},
pages = {57-69},
zbl = {1064.30015},
language = {en},
url = {http://dml.mathdoc.fr/item/02119182}
}
Kuznetsov, Alexander. On a problem of Avhadiev.. Lobachevskii Journal of Mathematics, Tome 15 (2004) pp. 57-69. http://gdmltest.u-ga.fr/item/02119182/