Researchr is a web site for finding, collecting, sharing, and reviewing scientific publications, for researchers by researchers.
Sign up for an account to create a profile with publication list, tag and review your related work, and share bibliographies with your co-authors.
Ingolf Pirzl. Optimierung unter Nebenbedingungen Struktur einer Klasse von Algorithmen I. Computing, 8(1-2):121-142, 1971. [doi]