LEADER 01079nam a2200289 i 4500 001 991001130069707536 005 20020507183818.0 008 950825s1981 us ||| | eng 020 $a0126568804 035 $ab10805059-39ule_inst 035 $aLE01307516$9ExL 040 $aDip.to Matematica$beng 082 0 $a515.353 084 $aAMS 35G 084 $aQA377.S68 100 1 $aSperb, René P.$0344495 245 10$aMaximum principles and their applications /$cRené P. Sperb 260 $aNew York :$bAcademic Press,$c1981 300 $aix, 224 p. ;$c23 cm 490 0 $aMathematics in science and engineering.$pA series of monographs and textbooks,$x0076-5392 ;$v157 650 0$aGeneral higher-order equations and systems 907 $a.b10805059$b23-02-17$c28-06-02 912 $a991001130069707536 945 $aLE013 35G SPE11 (1981)$g1$i2013000034027$lle013$o-$pE0.00$q-$rl$s- $t0$u0$v0$w0$x0$y.i10909576$z28-06-02 996 $aMaximum principles and their applications$9348107 997 $aUNISALENTO 998 $ale013$b01-01-95$cm$da $e-$feng$gus $h0$i1