Velazquez, G. L. (2012). Partial differential equations of first order and their applications to physics (2nd ed.). World Scientific Publication.
শিকাগো স্টাইলে সাইটেশনVelazquez, Gustavo Lopez. Partial Differential Equations of First Order and Their Applications to Physics. 2nd ed. Singapore: World Scientific Publication, 2012.
এমএলএ সাইটেশনVelazquez, Gustavo Lopez. Partial Differential Equations of First Order and Their Applications to Physics. 2nd ed. World Scientific Publication, 2012.
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