1. Mixed problem for an almost linear hyperbolic system in the plane (Russian);Abolinia;Mat. Sbornik,1960
2. Hydraulic shock and surge tanks (in Russian);Aronovich,1968
3. Differential Difference Equations, volume 6 of Mathematics in Science and Engineering;Bellman,1963
4. A linear mixed problem with derivative boundary conditions;Cooke,1970
5. Differential-difference equations and nonlinear initial-boundary value problems for linear hyperbolic partial differential equations;Cooke;Journal of Mathematical Analysis and Applications,1968