SHAPIRO, B., SHAPIRO, M., & VAINSHTEIN, A. (2005, January 1). Periodic de bruijn triangles : exact and asymptotic results. 298(1-3). Amsterdam: Elsevier, 2005. Retrieved from http://pascal-francis.inist.fr/vibad ndex.php?action=search&terms=17064925
ISO-690 (author-date, English)SHAPIRO, Boris, SHAPIRO, Michael and VAINSHTEIN, Alek, 2005. Periodic de bruijn triangles : exact and asymptotic results. In: [online]. Amsterdam: Elsevier, 2005. 1 January 2005. Available from: http://pascal-francis.inist.fr/vibad ndex.php?action=search&terms=17064925
Modern Language Association 9th editionSHAPIRO, B., M. SHAPIRO, and A. VAINSHTEIN. Periodic de bruijn triangles : exact and asymptotic results. no. 1-3, Amsterdam: Elsevier, 2005., 2005, http://pascal-francis.inist.fr/vibad ndex.php?action=search&terms=17064925.
Mohr Siebeck - Recht (Deutsch - Österreich)Emerald - Harvard
SHAPIRO, B., SHAPIRO, M. and VAINSHTEIN, A. (2005), “Periodic de bruijn triangles : exact and asymptotic results”, in , Vol. 298, Amsterdam: Elsevier, 2005., available at: http://pascal-francis.inist.fr/vibad ndex.php?action=search&terms=17064925.