00928nam0-22002891i-450-990001350730403321000135073FED01000135073(Aleph)000135073FED0100013507320000920d1990----km-y0itay50------baengNonlinear Wave Equations, Formation of SingularitiesFritz JohnProvidenceAmerican Mathematical Society1990University lecture series1047-3982In testa al front.: Pitcher Lectures in the Mathematical SciencesEquazioni differenziali e integroDifferenziali517.37John,Fritz331219ITUNINARICAUNIMARCBK99000135073040332115-2015273FI1FI1Nonlinear Wave Equations, Formation of Singularities375559UNINAING01