@article{JETPL.103.679, title = {}, author = {Alisultanov, Z. Z.}, journal = {JETP Lett.}, volume = {103}, issue = {9}, pages = {598}, year = {2016}, doi = {}, url = {http://jetpletters.ru/ps/dx/10.7868/S0370274X16090095}, note = {[Pisma v ZhETF 103, 679 (2016)]} }