LEADER 02268nam 2200457 450 001 000013388 005 20050718115500.0 010 $a3-540-07175-X 100 $a20030515d1975----km-y0itay0103----ba 101 0 $aeng 102 $aDE 200 1 $aHypoellipticity and eigenvalue asymptotics$fCharles Rockland 210 $aBerlin [etc.]$cSpringer$d1975 215 $a171 p.$d25 cm. 225 2 $aLecture notes in mathematics$v464 410 0$12001$aLecture notes in mathematics 606 $aEquazioni differenziali lineari alla derivate parziali 676 $a515.353$v(21. ed.)$9Equazioni differenziali parziali 691 $a22E25$9Topological groups, Lie groups. Nilpotent and solvable Lie groups 691 $a22E45$9Topological groups, Lie groups. Representations of Lie and linear algebraic groups over real fields: analytic methods 691 $a35D05$9Partial differential equations. Existence of generalized solutions 691 $a35D10$9Partial differential equations. Regularity of generalized solutions 691 $a35Hxx$9Partial differential equations. Close-to-elliptic equations 691 $a35N15$9Partial differential equations. Overdetermined systems. $\overline\partial$ -Neumann problem and generalizations; formal complexes 691 $a35P15$9Spectral theory and eigenvalue problems for partial differential operators. Estimation of eigenvalues, upper and lower bounds 691 $a58J40$9Global analysis, analysis on manifolds. Partial differential equations on manifolds; differential operators. Pseudodifferential and Fourier integral operators on manifolds 700 1$aRockland,$bCharles$058625 801 0$aIT$bUniversità della Basilicata - B.I.A.$gRICA$2unimarc 912 $a000013388 996 $aHypoellipticity and eigenvalue asymptotics$980879 997 $aUNIBAS BAS $aMONSCI BAS $aSCIENZE CAT $aEXT002$b01$c20030515$lBAS01$h1840 CAT $c20050601$lBAS01$h1755 CAT $abatch$b01$c20050718$lBAS01$h1051 CAT $c20050718$lBAS01$h1111 CAT $c20050718$lBAS01$h1141 CAT $c20050718$lBAS01$h1155 FMT Z30 -1$lBAS01$LBAS01$mBOOK$1BASA2$APolo Tecnico-Scientifico$2GEN$BCollezione generale$3MAT$631668$5S31668$820030919$f51$FRiservati