Oscillation matrices and kernels and small vibrations of mechanical systems by Krein, Mark Grigor'evic, Gantmaher, Feliks Ruvimovič 0 Type: Book
Introduction to the theory of linear nonselfadjoint operators by Gohberg, Izrail Cudikovič, Krein, Mark Grigor'evic fromTranslations of mathematical monographs 0 Type: Book
