LEADER 00000nam  2200241Ma 4500 
001    422379979 
003    OCoLC 
005    20090921225154.0 
008    941201s1964    riua         u000 0 eng d 
010    64016170 
035    (OCoLC)422379979 
040    U9S|bfre|cU9S 
050  4 QA303|b.E413 
100 1  Elsgolts, L. E.|q(Lev Ernestovich) 
245 10 Qualitative methods in mathematical analysis /|cby L. E. 
       El'sgol'c ; translated from the Russian by A. A. Brown and
       J. M. Danskin 
260    Providence, R. I. :|bAmerican Mathematical Society,|c1964 
300    vii, 250 p. :|bill 
440  0 Translations of mathematical monographs ;|vv. 12 
650  6 Analyse mathématique 
650  6 Calcul|xAnalyse mathématique 
650  6 Équations différentielles