%0 Journal Article %A A. S. Fokht %T Estimates of the derivatives of the associated Legendre functions in the $L_2$ metric %J Differencialʹnye uravneniâ %D 1969 %P 154-158 %V 5 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1969_5_1_a11/ %G ru %F DE_1969_5_1_a11