Kashfiyot
Xizmatlar
Identifikatsiya
Ishlab chiquvchilar uchun
Ekotizim
26 ta ish
Ish: Spiked harmonic oscillator and Hill determinants
Roger G. Newton
A. T. Lonseth, E. L. Ince
L. I. Schiff
Miloslav Znojil
Michail Zhitomirskii