%0 Journal Article %A A. A. Vinichenko %A E. G. Sheshukov %T An analogous method for constructing an underground contour %J Trudy seminara po kraevym zadačam %D 1979 %P 37-43 %V 16 %N 16 %I mathdoc %U http://geodesic.mathdoc.fr/item/KUKZ_1979_16_16_a3/ %G ru %F KUKZ_1979_16_16_a3