00330nam a2200121Ia 4500008004100000041001200041082001300053100001800066245007400084260002000158300000800178650002200186231217s9999    xx            000 0 und d  aEnglish  a511  BAK  aBakhvalov N S 0aNumerical methods: Analysis, algebra, ordinary differential equations  c1977bMir Publ.  a663  aNumerical methods