@article{JETPL.99.258, title = {}, author = {Alisultanov, Z. Z.}, journal = {JETP Lett.}, volume = {99}, issue = {4}, pages = {232}, year = {2014}, doi = {}, url = {http://jetpletters.ru/ps/dx/10.7868/S0370274X14040122}, note = {[Pisma v ZhETF 99, 258 (2014)]} }