A method for constructing geometric solutions of the Riemann problem for an impulsively perturbed conservation law is described. A complete classification of the possible patterns of the phase flow is given and, for each of the possible cases, the limit in the sense of Hausdorff is constructed.

中文翻译：

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关于黎曼问题的几何解的构造通向极限

描述了一种为脉冲摄动守恒律构造黎曼问题的几何解的方法。给出了相流的可能模式的完整分类，并且针对每种可能的情况，构造了Hausdorff的极限。