Петров:

Mykhaylo Dubov, Vladimir Mezentsev, Alina A. Manshina, Ivan A. Sokolov, Alexey V. Povolotskiy  and Yuri V. Petrov Optical materials express, Vol. 4, No. 6, (2014), 1197-1206, DOI:10.1364/OME.4.001197 ...