Boundary problems for partial differential equations with a small parameter in the highest derivatives and Cauchy's problem for nonlinear equations in the large
O. A. Oleinik

This publication is cited in the following articles:

1. S. A. Lomov, A. G. Eliseev, “Asymptotic integration of singularly perturbed problems”, Russian Math. Surveys, 43:3 (1988), 1–63            
2. V. P. Maslov, G. A. Omel'yanov, “Asymptotic soliton-form solutions of equations with small dispersion”, Russian Math. Surveys, 36:3 (1981), 73–149