1. Strongly transitive geometric spaces associated to hypermodules;Anvariyeh;J. Algebra,2009
2. Hypergroups of type U on the right of size six;Davvaz;Arab. J. Sci. Eng.,2011
3. On the n⁎-complete hypergroups;De Salvo;Discrete Math.,1999
4. A new family of hypergroups and hypergroups of type U on the right of size five;De Salvo;Far East J. Math. Sci. (FJMS),2007
5. Hypergroups of type U on the right of size five. II;De Salvo;Mat. Vesnik,2008