| 1 |  | A collection of problems on the equations of mathematical physics / A.V. Bitsadze, D.F. Kalinichenko . - Moscow : Mir , 1980. - 335 tr ; 21 cm
Thông tin xếp giá: N/510/A.000006 |
| 2 | | Signals and linear systems / Robert A. Gabel, Richard A. Roberts . - 3rd ed. - [S.l.] : John Wiley & Sons , 1987. - XVII, 470 tr ; 24 cm
Thông tin xếp giá: 600/A.000347 |