@article{PismaZhETF.20.566, title = {Singularities of absorption and luminescence bands of free many-exciton complexes}, author = {Khadzhi, P. I. and Moskalenko, S. A.}, journal = {πΙΣΨΝΑ Χ φότζ}, volume = {20}, issue = {8}, pages = {566}, year = {1974}, doi = {}, url = {http://jetpletters.ru/ps/0/article_27342.shtml}, }