000			00318nam a2200145Ia 4500
008			190201s9999 xx 000 0 und d
082			_a519
082			_bS82P
100			_a"Sevastyanov, B.A."
245		0	_aProblems in The Theory o
260			_aMoscow
260			_bM.I.R. Pub.
260			_c1985
300			_a234
999			_c22672 _d22672