%0 Journal Article %A I. G. Kissin %T On the anomalous variations of water -- oil ratio in the oil wells before the earthquakes %J Doklady Akademii Nauk %D 1983 %P 574-577 %V 270 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1983_270_3_a14/ %G ru %F DAN_1983_270_3_a14