000 00388nam a2200157 4500
082 _a515 COU-D
100 _aCourant, R
_e
245 _aDirichlet's principle, conformal mapping, and minimal surfaces
_cR Courant
250 _a
260 _aInterscience Publishers., New York
_c1977
300 _a
490 _a
650 _aAnalysis-- Mathematics
700 _a
_e
942 _cBK
999 _c444116
_d444116