TY  - JOUR
AU  - V. E. Volkov
TI  - Boundedness of the number of orthogonal solutions of the equation $-u''+q(x)u=\lambda u for large values of $-λ$
JO  - Matematičeskie zametki
PY  - 1984
SP  - 691
EP  - 695
VL  - 36
IS  - 5
UR  - http://geodesic.mathdoc.fr/item/MZM_1984_36_5_a6/
LA  - ru
ID  - MZM_1984_36_5_a6
ER  -