TY - JOUR AU - V. G. Kurbatov AU - I. V. Kurbatova TI - Krylov subspace methods of approximate solving differential equations from the point of view of functional calculus JO - Eurasian mathematical journal PY - 2012 SP - 53 EP - 80 VL - 3 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/EMJ_2012_3_4_a5/ LA - en ID - EMJ_2012_3_4_a5 ER -