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1 - Ordinary differential equations
Pontryagin, Lev Semenovitch (1908-1988)   /   Counts, Walter B. (Trad.)   /   Kacinskas, Leonas (1908-1997) (Trad.)

Cote : [47 PON 62]

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2 - The concept of a Riemann surface - 3rd edition
Weyl, Hermann (1885-1955)   /   MacLane, Gerald R. (Trad.)

Cote : [45 WEY 55]