Homotopic methods are employed for the characterization of the complete digraphs which are the composition of non-trivial highly regular tournaments.
@article{urn:eudml:doc:41710, title = {On the complete digraphs which are simply disconnected.}, journal = {Publicacions Matem\`atiques}, volume = {35}, year = {1991}, pages = {517-525}, mrnumber = {MR1201573}, zbl = {0757.05056}, language = {en}, url = {http://dml.mathdoc.fr/item/urn:eudml:doc:41710} }
Demaria, Davide C.; Kiihl, José Carlos de Souza. On the complete digraphs which are simply disconnected.. Publicacions Matemàtiques, Tome 35 (1991) pp. 517-525. http://gdmltest.u-ga.fr/item/urn:eudml:doc:41710/