000			00337nam a2200145Ia 4500
008			170519s9999 xx 000 0 und d
041			_aEnglish
082			_a530.1/PRO
100			_aL.G GRECHKO
245			_aPROBLEMS IN THEORITICAL PHYSICS
260			_bMIR PUB. _aMOSCOW _c1988
300			_c250P
650			_aPHYSICS
942			_cBK
999			_c74887 _d74887