@article{PismaZhETF.50.468, title = {Structure of neutral acceptors in insulating $La_2CuO_4$}, author = {Gogolin, A. O. and Ioselevich, A. S.}, journal = {πΙΣΨΝΑ Χ φότζ}, volume = {50}, issue = {11}, pages = {468}, year = {1989}, doi = {}, url = {http://jetpletters.ru/ps/0/article_17161.shtml}, }