Langenbach Arno

Publications in Math-Net.Ru

1. The application of the method of least squares to nonlinear equations
   
   Dokl. Akad. Nauk SSSR, 143:1 (1962),  31–34
2. On the application of the variation principle to some nonlinear differential equations
   
   Dokl. Akad. Nauk SSSR, 121:2 (1958),  214–217