TY  - JOUR
AU  - V. A. Il'in
AU  - I. Jo
TI  - Uniform estimation of eigenfunctions and an upper bound on the number of eigenvalues of the Sturm--Liouville operator with a potential from the class $L^p$
JO  - Differencialʹnye uravneniâ
PY  - 1979
SP  - 1164
EP  - 1174
VL  - 15
IS  - 7
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1979_15_7_a1/
LA  - ru
ID  - DE_1979_15_7_a1
ER  -