1. K optimizacii metodov resenia kraevyh zadac prinalicii pograanicnogo sloja;Bakhvalov;Zh. Vychisl. Mat. Mat. Fiz.,1969
2. Modelling and Computation of Water Quality Problems in River Networks;Baumert,1981
3. The price of options and corporate liabilities;Black;J. Polit. Economy,1973
4. On the convergence of odd degree spline interpolation;de Boor;J. Approx. Theory,1968
5. Uniform Numerical Methods for Problems with Initial and Boundary Layers;Doolan,1980