@article{PismaZhETF.8.669, title = {T-Models of "Sphere" in General Relativity Theory}, author = {Ruban, V. A.}, journal = {πΙΣΨΝΑ Χ φότζ}, volume = {8}, issue = {12}, pages = {669}, year = {1968}, doi = {}, url = {http://jetpletters.ru/ps/0/article_26440.shtml}, }