@article{PismaZhETF.29.468, title = {A model of ferroelectric ordering in nonlinear proustite crystals $Ag_3 AsS_3$}, author = {Meleshko, A. N. and Shumovskii, A. S.}, journal = {πΙΣΨΝΑ Χ φότζ}, volume = {29}, issue = {8}, pages = {468}, year = {1979}, doi = {}, url = {http://jetpletters.ru/ps/0/article_22123.shtml}, }