One-dimensional Schrödinger operator with unbounded potential: The pure point spectrum. (English. Russian original) Zbl 0747.47023
Funct. Anal. Appl. 24, No. 3, 176-186 (1990); translation from Funkts. Anal. Prilozh. 24, No. 3, 14-25 (1990).
Reviewer: A.Kufner (Praha)