@article{PismaZhETF.23.559, title = {"Drop formation" on heating of a gas of noninteracting excitons}, author = {Osipov, V. V.}, journal = {πΙΣΨΝΑ Χ φότζ}, volume = {23}, issue = {10}, pages = {559}, year = {1976}, doi = {}, url = {http://jetpletters.ru/ps/0/article_27577.shtml}, }