00294nam a2200121Ia 4500008004100000100003200041245003000073260002000103300000900123650001600132942000700148999001700155190216s9999||||xx |||||||||||||| ||und||  aMaron I A Andkopchenova N V 0aComputational Mathematics  bMir Pubs Moscow  a395p  aMathematics  cBK  c30926d30926