@article{PismaZhETF.11.200, title = {Oscillatory Approach to Singular Point in the Open Cosmological Model}, author = {Lifshitz, E. M. and Khalatnikov, I. M.}, journal = {πΙΣΨΝΑ Χ φότζ}, volume = {11}, issue = {3}, pages = {200}, year = {1970}, doi = {}, url = {http://jetpletters.ru/ps/0/article_26090.shtml}, }