Klaus Ritter:
A Parametric Method for Solving Certain Nonconcave Maximization Problems.
44-54 BibTeX
Kenneth Krohn, Richard Mateosian, John Rhodes:
Methods of the Algebraic Theory of Machines. I: Decomposition Theorem for Generalized Machines; Properties Preserved under Series and Parallel Compositions of Machines.
55-85 BibTeX
Edward K. Blum:
Stationary Points of Functionals in Pre-Hilbert Spaces.
86-90 BibTeX