%0 Journal Article %A G. M. Vainikko %A I. K. Lifanov %T Modeling of aerodynamic and wave diffraction problems and extensions of Cauchy type integral operators on closed and open curves %J Differencialʹnye uravneniâ %D 2000 %P 1184-1195 %V 36 %N 9 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_2000_36_9_a3/ %G ru %F DE_2000_36_9_a3