@article{PismaZhETF.63.150, title = {Symmetry break-up in distributed coupling of counterpropagating waves in a superradiant laser}, author = {Mel'nikov, I. V.}, journal = {πΙΣΨΝΑ Χ φότζ}, volume = {63}, issue = {3}, pages = {150}, year = {1996}, doi = {}, url = {http://jetpletters.ru/ps/0/article_14544.shtml}, }