@article{PismaZhETF.16.265, title = {Fermi Resonance of Polariton with Biphonon in an $LiNbO_3$ Crystal}, author = {Mavrin, B. N. and Sterin, Kh. E.}, journal = {πΙΣΨΝΑ Χ φότζ}, volume = {16}, issue = {5}, pages = {265}, year = {1972}, doi = {}, url = {http://jetpletters.ru/ps/0/article_26819.shtml}, }