@article{PismaZhETF.55.25, title = {Optical bistability and critical slowing in the amorphous semiconductor $GeS_2$}, author = {Lyubin, V. M. and Tikhomirov, V. K.}, journal = {πΙΣΨΝΑ Χ φότζ}, volume = {55}, issue = {1}, pages = {25}, year = {1992}, doi = {}, url = {http://jetpletters.ru/ps/0/article_19179.shtml}, }