Spectral theory of second-order ordinary differential operators
Jorgens, K
Spectral theory of second-order ordinary differential operators K. Jorgens - Aarhus Universitet Aarhus 1962/63 - pag. dif 28 cm
Spectral theory of second-order ordinary differential operators K. Jorgens - Aarhus Universitet Aarhus 1962/63 - pag. dif 28 cm