%0 Journal Article %A V. A. Geiler %T The two-dimensional Schr\"odinger operator with a homogeneous magnetic field and its perturbations by periodic zero-range potentials %J Algebra i analiz %D 1991 %P 1-48 %V 3 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/AA_1991_3_3_a0/ %G ru %F AA_1991_3_3_a0