TY  - JOUR
AU  - Najzar, Karel
TI  - Error bounds for eigenvalues and eigenfunctions of some ordinary differential operators by the method of least squares
JO  - Commentationes Mathematicae Universitatis Carolinae
PY  - 1971
SP  - 235
EP  - 248
VL  - 12
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/CMUC_1971__12_2_a2/
LA  - en
ID  - CMUC_1971__12_2_a2
ER  -