Van Maldeghem, Hendrik (2009)

The Electronic Journal of Combinatorics [electronic only]

Ebert, Gary, Marino, Giuseppe, Polverino, Olga, Trombetti, Rocco (2009)

The Electronic Journal of Combinatorics [electronic only]

Grundhöfer, Theo, Müller, Peter (2009)

Beiträge zur Algebra und Geometrie

Nicholas Krier (1972)

Mathematische Zeitschrift

Milan Janić (1994)

Matematički Vesnik

Claudio Bartolone, Federico Bartolozzi (1979)

Rendiconti del Seminario Matematico della Università di Padova

David A. Drake (1984)

Mathematische Zeitschrift

Klaus Vedder, Henda Swart (1981)

Aequationes mathematicae

Caliskan, Cafer, Moorhouse, G.Eric (2011)

The Electronic Journal of Combinatorics [electronic only]

J. Waille (1873)

Nouvelles annales de mathématiques : journal des candidats aux écoles polytechnique et normale

François Foltz (1981)

Diagrammes