%0 Journal Article %A Z. N. Dobrovol'skaya %T On the nature of the contact between the free surface of a liquid and the solid boundary in the problem of wedge penetration %J Doklady Akademii Nauk %D 1963 %P 783-786 %V 153 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1963_153_4_a11/ %G ru %F DAN_1963_153_4_a11