Sharma, J., & Singh,Kehar. (2001). Partial differential equations for engineers and scientists. Narosa.
Chicago-стиль цитированияSharma, J.N, and Singh,Kehar. Partial Differential Equations for Engineers and Scientists. New Delhi: Narosa, 2001.
MLA-цитированиеSharma, J.N, and Singh,Kehar. Partial Differential Equations for Engineers and Scientists. Narosa, 2001.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.