Showalter, R. E. (1977). Hilbert space methods for partial differential equations.
Citación estilo ChicagoShowalter, R E. Hilbert Space Methods for Partial Differential Equations. London, Pitman, 1977.
Cita MLAShowalter, R E. Hilbert Space Methods for Partial Differential Equations. 1977.
Warning: These citations may not always be 100% accurate.