H. Almegaard, A. Bagger, Jens Gravesen, Bert Jüttler, Zbynek Sir,
"Surfaces with piecewise linear support functions over spherical triangulations"
, in R. Martin, M. Sabin, J. Winkler: The Mathematics of Surfaces XII, Serie Lecture Notes in Computer Science (LNCS), Springer, Seite(n) 42-63, 2007
Original Titel:
Surfaces with piecewise linear support functions over spherical triangulations