Singular Quadratic Forms in Perturbation Theory Autor Volodymyr Koshmanenko 30 apr 1999 Hardback Preț: 620.29 lei 729.75 lei 6-8 săpt. -15%
The Method of Rigged Spaces in Singular Perturbation Theory of Self-Adjoint Operators Operator Theory: Advances and Applications, nr. 253 Autor Volodymyr Koshmanenko et al. 19 iul 2016 Hardback Preț: 670.97 lei 789.38 lei 6-8 săpt. -15%