Lobachevskii Journal of Mathematics
Lobachevskii Journal of Mathematics > 2018 > 39 > 7 > 949-956
Lobachevskii Journal of Mathematics > 2018 > 39 > 7 > 961-966
Lobachevskii Journal of Mathematics > 2018 > 39 > 7 > 967-969
Lobachevskii Journal of Mathematics > 2018 > 39 > 7 > 874-883
Lobachevskii Journal of Mathematics > 2018 > 39 > 7 > 867-873
Lobachevskii Journal of Mathematics > 2018 > 39 > 7 > 997-1009
Lobachevskii Journal of Mathematics > 2018 > 39 > 7 > 884-892
Lobachevskii Journal of Mathematics > 2018 > 39 > 7 > 970-984
Lobachevskii Journal of Mathematics > 2018 > 39 > 7 > 916-928
Lobachevskii Journal of Mathematics > 2018 > 39 > 7 > 1016-1023
Lobachevskii Journal of Mathematics > 2018 > 39 > 7 > 1010-1015
Lobachevskii Journal of Mathematics > 2018 > 39 > 7 > 1024-1038
Lobachevskii Journal of Mathematics > 2018 > 39 > 7 > 904-915
Lobachevskii Journal of Mathematics > 2018 > 39 > 7 > 929-935
Lobachevskii Journal of Mathematics > 2018 > 39 > 7 > 957-960
Lobachevskii Journal of Mathematics > 2018 > 39 > 7 > 992-996
Lobachevskii Journal of Mathematics > 2018 > 39 > 7 > 985-991
Lobachevskii Journal of Mathematics > 2018 > 39 > 7 > 893-903
Lobachevskii Journal of Mathematics > 2018 > 39 > 7 > 1039-1045
Lobachevskii Journal of Mathematics > 2018 > 39 > 7 > 936-948