For citations:
Eshkabilov Yu.Kh. On infinite number of negative eigenvalues of the Friedrichs model. Nanosystems: Physics, Chemistry, Mathematics. 2012;3(6):16-24. (In Russ.)
Eshkabilov Yu.Kh. On infinite number of negative eigenvalues of the Friedrichs model. Nanosystems: Physics, Chemistry, Mathematics. 2012;3(6):16-24. (In Russ.)