کتاب های G. J. Bernfeld
![An Introduction to Nonlinear Boundary Value Problems](http://cdn.ketabkoo.com/covers/0/50203-n.jpg)
An Introduction to Nonlinear Boundary Value Problems
Stephen R. Bernfeld and V. Lakshmtkantham (Eds.), 1974![An Introduction to Nonlinear Boundary Value Problems](http://cdn.ketabkoo.com/covers/0/50204-n.jpg)
An Introduction to Nonlinear Boundary Value Problems
Stephen R. Bernfeld and V. Lakshmtkantham (Eds.), 1974![An Introduction to Nonlinear Boundary Value Problems](http://cdn.ketabkoo.com/covers/0/94463-n.jpg)
An Introduction to Nonlinear Boundary Value Problems
Stephen R. Bernfeld and V. Lakshmtkantham (Eds.), 1974![Pt Platinum: Supplement Volume A 1 Technology of Platinum-Group Metals](http://cdn.ketabkoo.com/covers/2/263257-n.jpg)
Pt Platinum: Supplement Volume A 1 Technology of Platinum-Group Metals
G. J. Bernfeld, 1985![Biogenesis of Natural Compounds](http://cdn.ketabkoo.com/covers/6/685519-n.jpg)