%0 Journal Article %A V. G. Kurbatov %A I. V. Kurbatova %T Krylov subspace methods of approximate solving differential equations from the point of view of functional calculus %J Eurasian mathematical journal %D 2012 %P 53-80 %V 3 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/EMJ_2012_3_4_a5/ %G en %F EMJ_2012_3_4_a5