@article{PismaZhETF.6.981, title = {Hysteresis of Cyclotron Absorption by the Carriers in a Nonparabolic Band}, author = {Levinson, I. B. and Shvarts, M. L.}, journal = {πΙΣΨΝΑ Χ φότζ}, volume = {6}, issue = {12}, pages = {981}, year = {1967}, doi = {}, url = {http://jetpletters.ru/ps/0/article_25555.shtml}, }