Kato T.
A short introduction to perturbation theory for linear operators - Америк Springer-Verlag 1982 - 161
0387906665 3000 3540906665 3000
mathematics linear operators vector spaces perturbation theory
A short introduction to perturbation theory for linear operators - Америк Springer-Verlag 1982 - 161
0387906665 3000 3540906665 3000
mathematics linear operators vector spaces perturbation theory