LEADER 00998nam a22002655i 4500 001 991002172649707536 007 cr nn 008mamaa 008 121227s1975 gw | s |||| 0|eng d 020 $a9783540375111 035 $ab14132606-39ule_inst 040 $aBibl. Dip.le Aggr. Matematica e Fisica - Sez. Matematica$beng 082 04$a510$223 100 1 $aRockland, Charles$058625 245 10$aHypoellipticity and eigenvalue asymptotics$h[e-book] /$cby Charles Rockland 260 $aBerlin :$bSpringer,$c1975 300 $a1 online resource (iii, 174 p.) 440 0$aLecture Notes in Mathematics,$x0075-8434 ;$v464 650 0$aMathematics 773 0 $aSpringer eBooks 856 40$uhttp://dx.doi.org/10.1007/BFb0096096$zAn electronic book accessible through the World Wide Web 907 $a.b14132606$b03-03-22$c05-09-13 912 $a991002172649707536 996 $aHypoellipticity and eigenvalue asymptotics$980879 997 $aUNISALENTO 998 $ale013$b05-09-13$cm$d@ $e-$feng$ggw $h0$i0