Spectral theory of a second-order ordinary differential operator
Rellich, Franz
Spectral theory of a second-order ordinary differential operator - Nueva York: New Yprk University, 1951. - 153 p.: graf.;
BOUNDARY CONDITIONS
EIGENFUNCTIONS
Spectral theory of a second-order ordinary differential operator - Nueva York: New Yprk University, 1951. - 153 p.: graf.;
BOUNDARY CONDITIONS
EIGENFUNCTIONS