LEADER 00886nam0-22003131i-450 001 990001305270403321 005 20200901094042.0 035 $a000130527 035 $aFED01000130527 035 $a(Aleph)000130527FED01 035 $a000130527 100 $a20001205d1981----y0itay50------ba 101 1 $aeng 102 $aUS 200 1 $aMaximum principles and their applications$fR. P. Sperb 210 $aNew York [etc.]$cAcademic press$d1981 215 $aIX, 224 p.$d24 cm 610 0 $aEquazioni differenziali alle derivate parziali 676 $a515.353 700 1$aSperb,$bRené P.$0344495 801 0$aIT$bUNINA$gRICA$2UNIMARC 901 $aBK 912 $a990001305270403321 952 $aC-26-(157$b20502$fMA1 952 $a02 34 E 14$b3680$fFINBN 959 $aFINBN 959 $aMA1 996 $aMaximum principles and their applications$9348107 997 $aUNINA