%0 Journal Article %A F. E. Lomovtsev %T Boundary Value Problems for Complete Quasi-Hyperbolic Differential Equations with Variable Domains of Smooth Operator Coefficients: I %J Differencialʹnye uravneniâ %D 2005 %P 258-267 %V 41 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_2005_41_2_a13/ %G ru %F DE_2005_41_2_a13