@article{PismaZhETF.5.282, title = {Periodic Magnetic Structures and Phase Transitions}, author = {Azbel', M. Ya.}, journal = {πΙΣΨΝΑ Χ φότζ}, volume = {5}, issue = {8}, pages = {282}, year = {1967}, doi = {}, url = {http://jetpletters.ru/ps/0/article_25171.shtml}, }