Rassias, J. M. (1990). Lecture notes on mixed type partial differential equations. Singapore: World Scientific.
Čikaški stil citiranjaRassias, John M. Lecture Notes On Mixed Type Partial Differential Equations. Singapore: World Scientific, 1990.
MLA način citiranjaRassias, John M. Lecture Notes On Mixed Type Partial Differential Equations. Singapore: World Scientific, 1990.
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