000 00315nam a2200133Ia 4500
005 20260205050455.0
008 260111s9999||||xx |||||||||||||| ||und||
082 _a530.8 V843S
100 _aViadimirov, Yu
245 0 _aSpace time gravitation
260 _aMoscow
_bMir pub
_c1987
300 _a215p.
942 _cBK
999 _c80269
_d80269