00686nam0 2200253 450 991016886000332120170502104621.020170502d1952----km y0itay50 baengUSA 001yyElementary differential equationsEarl RainvilleNew YorkThe MacMillanc1952xii, 392 p.Equazioni differenziali515.3Rainville,Earl D.50061ITUNINAREICATUNIMARCBK9910168860003321DCH-000-226183DCHDCHElementary differential equations384337UNINA