@article{PismaZhETF.7.142, title = {Influence of the Second Uniaxial Anisotropy Constant on the Magnetization Curve of a Uniaxial Antiferromagnet with Weak Ferromagnetism}, author = {Levitin, R. Z. and Shchurov, V. A.}, journal = {πΙΣΨΝΑ Χ φότζ}, volume = {7}, issue = {4}, pages = {142}, year = {1968}, doi = {}, url = {http://jetpletters.ru/ps/0/article_25600.shtml}, }