The Ovsjannikov's Theorem on Group Classification of a Linear Hyperbolic Type Partial Differential Equation RevisitedV. LAHNO,A. ONYSHCHENKOmsra(2000)引用 23|浏览4关键词partial differential equationAI 理解论文溯源树样例生成溯源树,研究论文发展脉络Chat Paper正在生成论文摘要