John, M. R. (1990). Lecture notes on mixed type partial differential equations. World scientific.
Citación estilo ChicagoJohn, M. Rassias. Lecture Notes On Mixed Type Partial Differential Equations. World scientific, 1990.
Cita MLAJohn, M. Rassias. Lecture Notes On Mixed Type Partial Differential Equations. World scientific, 1990.
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