Uber die partielle Differentialgleichung[delta] U+k2u=0 und deren Auftreten in der ...
by
Friedrich Carl Alwin Pockels
series:
Unknown
first published:
Unknown
United States congressional serial set
by
United States. Government Printing Office
series:
Unknown
first published:
Unknown
United States Mission to the OSCE-2004
by
US-government 2004
series:
Unknown
first published:
Unknown