%0 Journal Article %A V. P. Modenov %T A differential-parametric method for finding eigenvalues of the third boundary value problem for the Sturm--Liouville operator %J Vestnik Moskovskogo universiteta. Matematika, mehanika %D 1988 %P 55-57 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/VMUMM_1988_6_a13/ %G ru %F VMUMM_1988_6_a13