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机译:
机译:A UNIQUENESS THEOREM FOR THE REDUCED WAVE EQUATION GOVERNING THE ACOUSTIC WAVE IN A HETEROGENEOUS MEDIUM
机译:ALGEBRAIC CONDITIONS TO THE UNIQUENESS THEOREM FOR A COUPLED SYSTEM OF WAVE EQUATIONS
机译:A uniqueness theorem for the moving medium reduced wave equation
机译:Existence of Periodic Solutions of One-Dimensional Differential-Delay Equations (函数微分方程式の解の定性的研究)
机译:Wave Overtopping Equation,