@article{PismaZhETF.25.162, title = {Concerning one mechanism of the phase transition from the ferromagnetic into the ferrimagnetic state}, author = {Kovtun, N. M. and Kalinnikov, V. T. and Shemyakov, A. A. and Propkopenko, V. K. and Babitsyna, A. A.}, journal = {πΙΣΨΝΑ Χ φότζ}, volume = {25}, issue = {3}, pages = {162}, year = {1977}, doi = {}, url = {http://jetpletters.ru/ps/0/article_21100.shtml}, }