FFoundations of modern analysisFoundations of modern analysisde Avner FriedmanMateriasFoundationsMathematical analysisEdiciones (1)Foundations of modern analysis (1970)Holt, Rinehart, and WinstonMás obras de Avner FriedmanVariational principles and free-boundary problemsVVariational principles and free-boundary problemsVariational principles and free-boundary problemsTutorials in mathematical biosciences