000			00528nam a2200217Ia 4500
001			13633
005			20250221150729.0
008			250214s9999||||xx |||||||||||||| ||und||
020			_a5030014012
100			_aVavilov, V V
245		0	_aMathematics problems
245		0	_bequations and inequalities
260			_aMoscow
260			_bMir Publishers
260			_c1990
300			_a453p.
650			_aMathematics -- Equations -- Systems
700			_aMelnikov, I I
700			_aOlekhnik, S N et al.
942			_cBK
999			_c29683 _d29683