TY - JOUR AU - Gil', Michael I. TI - Sums of zeros of solutions to second order ODE with non-polynomial coefficients JO - Electronic Journal of Differential Equations PY - 2012 VL - 2012 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/EJDE_2012__2012__a81/ LA - en ID - EJDE_2012__2012__a81 ER -