Opis: Semiovals which are contained in the union of three concurrent lines are studied. The notion of a strong semioval is introduced, and a complete classification of these objects in PG▫$(2,p)$▫ and PG▫$(2,p^2)$▫, ▫$p$▫ an odd prime, is given.Ključne besede: mathematics, semioval, group factorizationObjavljeno v RUP: 15.10.2013; Ogledov: 2930; Prenosov: 130 Povezava na celotno besedilo