TY  - JOUR
AU  - Zhidkov,  P.E.
TI  - Basis properties of eigenfunctions of nonlinear Sturm-Liouville problems
JO  - Electronic journal of differential equations
PY  - 2000
VL  - 2000
UR  - http://geodesic.mathdoc.fr/item/EJDE_2000__2000__a27/
LA  - en
ID  - EJDE_2000__2000__a27
ER  -