%0 Journal Article %A I. Ya. Kovalskaya %A V. S. Maksakov %T The effect of Fresnel second zone on the shape of seismic pulse %J Doklady Akademii Nauk %D 1978 %P 77-79 %V 242 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1978_242_1_a18/ %G ru %F DAN_1978_242_1_a18