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020 _a354018001X (Berlin) | 038718001X (New York)
040 _cLoC
245 0 _aSingularities in linear wave propagation
_cGÄrding, Lars,
260 _aBerlin ; | New York :
_bSpringer-Verlag,
_c vol. 2."
300 _a123 p. :
_bill. ;
_c25 cm.
490 _a P.R. China
500 _aSubseries: Nankai Institute of Mathematics
942 _2ddc
_cBK
999 _c484
_d484