00420nam a2200133 a 450000500170000002000150001708200170003210000210004924500670007026000270013730000230016449000420018763000570022920251203090445.0  a9027710775  a515.355bFUC  aFucik, Svatopluk  aSolvability of nonlinear equations and boundary value problems  aBostonbD.Reidelc1980  a389 p.b22 cm.cPB  aMathematics and its applicationsdv.4  aDifferential equations,nonlinear numerical solutions