

Kretzmann, Norman; Jordan, Mark D.; Brown, Stephen F. [Contributor]

![No Image for Linear and Quaisilinear Eliptical Equations [or Equations of Elliptic Type] In Russian No image for product](/assets/images/no-image.png)
Ladyzhenskaya, O. A. [Olga Aleksandrovna]; Ural'tseva, Nina
![No Image for Linear second-order partial differential equations of the parabolic type [IN RUSSIAN] No image for product](/assets/images/no-image.png)
A.M. Ilin, A.S. Kalashnikov, O.A. Oleinik


Hopf, Eberhard, Lax, Peter D. & Schiffer, M.M.



Courant, R.; Lewy, H. [Contributor]; Friedrichs, K. [Contributor];





Hamilton, Carolyn


Banu, Nasrin; Fazal, Shahab




Otto Friedrich von Gierke; George Heiman [Editor]


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