By denley T.   in European Journal of Combinatorics

ISSN:0195-6698|18|6|607-611

Academic Press‎(1997)‎

Access to resources Favorite 15.287158

By Denley T.   Haggkvist R.   in European Journal of Combinatorics

ISSN:0195-6698|21|7|877-880

Elsevier‎(2000)‎

Access to resources Favorite 11.883093