000 00438pam a2200157a 44500
082 _a517.383
_bF954e
100 _aFuglede, Bent
245 1 _aEXTREMAL LENGTH AND CLOSED EXTENSIONS OF PARTIAL DIFFERENTIAL OPERATORS
260 _aKopenhavn
_bJ. G. Boghandel
_c1960
300 _a82
500 _aSummary In Danish
500 _aThesis, Kobenhavn
650 _aDifferential Equations, Partial
964 _gCIRC
997 _a71789 C
999 _c428610
_d428610