00687nam a2200337Ia 4500020001800000082001700018245011700035260003900152500000500191700000900196100002100205300002700226490000500253010000500258110000500263250000500268710000900273711000500282720000500287730000500292740000500297752000500302856000700307600000500314610000500319611000500324630000500329650000500334651000500339654000500344  a9789813109087  a516bUr72.SG  aSpectral geometry of the laplacianbSpectral analysis and differential geometry of the laplaciancHajime Urakawa  aNew JerseybWorld Scientificc2017  a  abc  aUrakawa, Hajime   axii, 297p. Bibl. Index  a  a  a  a  abc  a  a  a  a  a  df  a  a  a  a  a  a  a