TY - JOUR AU - A. P. Kochkin TI - Quasibound states in a magnetic field and the field of an impurity. Weak magnetic fields and potentials of arbitrary strength JO - Teoretičeskaâ i matematičeskaâ fizika PY - 1972 SP - 239 EP - 250 VL - 12 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TMF_1972_12_2_a9/ LA - ru ID - TMF_1972_12_2_a9 ER -