Sur les racines des solutions de l’équation y′′+p1(x)y′+p2(x)y=0

On the roots of the solutions of the equation y′′+p1(x)y′+p2(x)y=0

D. Ripeanu (Ripianu)
Institutul de Calcul

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D. Ripeanu, Sur les racines des solutions de l’équation y′′+p1(x)y′+p2(x)y=0. (French) Mathematica (Cluj) 19(42) (1977), no. 1, 95–111 (1978)