P. Scherk

Homographies, quaternions and rotations

Peter Scherk, P. D. Val, Patrick Du Val, 1966 .

On Carathéodory's Theorem

P. Scherk, 1966, Canadian Mathematical Bulletin.

On the decomposition of orthogonalities into symmetries

Peter Scherk, P. Scherk, 1950 .

On the intersection number of two plane curves

P. Scherk, 1977 .