LEADER 00796nam0-22002531i-450- 001 990001182980403321 035 $a000118298 035 $aFED01000118298 035 $a(Aleph)000118298FED01 035 $a000118298 100 $a20000920d1979----km-y0itay50------ba 101 0 $aeng 200 1 $aTopological Degree Methods in Nonlinear Boundary Value Problems$fby MAWHIN J. 210 $aProvidence (RI)$cAmerican Mathematical Society$d1979 225 1 $aRegional conference series in mathematics$v40 700 1$aMawhin,$bJean$03912 801 0$aIT$bUNINA$gRICA$2UNIMARC 901 $aBK 912 $a990001182980403321 952 $aC-35-(40$b20623$fMA1 959 $aMA1 996 $aTopological Degree Methods in Nonlinear Boundary Value Problems$9342456 997 $aUNINA DB $aING01