00524nam a2200169Ia 4500003000900000008004100009040001600050080001200066100001900078245011900097260003300216300001000249650004100259650001600300700001900316700001900335IN-BaIIA211028s9999    xx            000 0 eng d  cIIA Library  a51bZAI  aZaitsev, V. V. 0aElementary mathematicscV. V. Zaitsev, V. V. Ryzhkov and M. I. Skanavi                                              aMoscowbMIR Publishersc1978  a639p.  aAstronomy and Astrophysics Thesaurus  aMathematics  aRyzhkov, V. V.  aSkanavi, M. I.