@article{JETPL.98.891, title = {}, author = {Andreev, A. A. and Platonov, K. Yu.}, journal = {JETP Lett.}, volume = {98}, issue = {12}, pages = {790}, year = {2013}, doi = {}, url = {http://jetpletters.ru/ps/dx/10.7868/S0370274X13240065}, note = {[Pisma v ZhETF 98, 891 (2013)]} }