%0 Journal Article %A A. N. Gaifutdinov %A N. D. Yakimov %T Comparison theorems for inverse boundary value problems of filtration under dams made of synthetic materials %J Trudy seminara po kraevym zadačam %D 1984 %P 50-61 %V 21 %N 21 %I mathdoc %U http://geodesic.mathdoc.fr/item/KUKZ_1984_21_21_a5/ %G ru %F KUKZ_1984_21_21_a5