@article{PismaZhETF.30.36, title = {Uniform deformation and birefringence of crystals in a nonuniform electric field}, author = {Rokos, I. A. and Rokosova, L. A. and Kirikov, V. A. and Gladkii, V. V.}, journal = {πΙΣΨΝΑ Χ φότζ}, volume = {30}, issue = {1}, pages = {36}, year = {1979}, doi = {}, url = {http://jetpletters.ru/ps/0/article_20576.shtml}, }