%0 Journal Article %A P. D. Kalafati %T Oscillatory properties of the fundamental functions of third-order boundary-value problems %J Doklady Akademii Nauk %D 1962 %P 518-521 %V 143 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1962_143_3_a5/ %G ru %F DAN_1962_143_3_a5