00294nam a2200109Ia 4500008004000000082001600040100003200056245002800088260003300116300000800149650002700157210210b1987   xxu||||| |||| 00| 0 eng d  a530.11 VLAS  aVLADIMIROV (Yu) and others.  aSpace time gravitation.  aMoscowbMir Publishersc1987  a215  aSpace Time Gravitation