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100   $a20000920d1999----km-y0itay50------ba
101 0 $aeng
200 1 $aBoundary value problems and symplectic algebra for ordinary differential and quasi-differential operators$fW. Norrie Everitt, Lawrence Markus
210   $aProvidence (RI)$cAmerican Mathematical Society$dc1999
215   $axii, 187 p.$cill.$d27 cm
225 1 $aMathematical surveys and monographs$v61
610 0 $aProblemi al contorno lineare$aEquazioni differenziali ordinarie
610 0 $aTeoria spettrale$aEquazioni differenziali ordinarie
610 0 $aSistemi hamiltoniani e lagrangiani su varieta
610 0 $aForme bilineari ed hermitiane
610 0 $aOperatori simmetrici ed autoaggiunti$aNon limitati
610 0 $aOperatori differenziali ordinari
676   $a515.35
700  1$aEveritt,$bWilliam Norrie$f<1924- >$049501
702  1$aMarkus,$bLawrence
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996   $aBoundary value problems and symplectic algebra for ordinary differential and quasi-differential operators$9383476
997   $aUNINA
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