@article{CMUC_1970__11_3_a4,
     author = {Najzar, Karel},
     title = {On the method of least squares of finding eigenvalues and eigenfunctions of some symmetric operators. {II.}},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {449--462},
     publisher = {mathdoc},
     volume = {11},
     number = {3},
     year = {1970},
     mrnumber = {0276807},
     zbl = {0211.16402},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1970__11_3_a4/}
}