TY  - JOUR
AU  - V. E. Volkov
TI  - Boundedness of the number of orthogonal solutions of the equation $-u''+q(x)u=\lambda u$
JO  - Differencialʹnye uravneniâ
PY  - 1989
SP  - 1862
EP  - 1866
VL  - 25
IS  - 11
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1989_25_11_a4/
LA  - ru
ID  - DE_1989_25_11_a4
ER  -