01214nam0-2200361---450-9900003798302033160-8176-3449-50037983USA010037983(ALEPH)000037983USA01003798320010328d1989----km-y0itay0103----baengUS||||||||001yyPropagation and interaction of singularities in nonlinear hyperbolic problemsMichael BealsBoston [etc.]Birkhäuser1989143 p.23 cmProgress in nonlinear differential equations and their applications32001Progress in nonlinear differential equations and their applicationsEquazioni iperboliche515.353BEALS,Michael42308ITsalbcISBD990000379830203316515.353 BEA13945 Ing.515.35300071825BKTECTAMI4020010328USA01155020020403USA011646PATRY9020040406USA011626Propagation and Interaction of Singularities in Nonlinear Hyperbolic Problems349713UNISA