Iperanelli ed ipercorpi Mario de Salvo (1984) Annales scientifiques de l'Université de Clermont. Mathématiques
Irreducible Belousov equations on quasigroups A. Krapež, Mark Aadrian Taylor (1993) Czechoslovak Mathematical Journal
Isomorphism of projective planes and isotopism of planar ternary rings Pavel Burda (1977) Časopis pro pěstování matematiky
Isomorphism theorems of polygroups. Davvaz, B. (2010) Bulletin of the Malaysian Mathematical Sciences Society. Second Series
Isotopic invariants of natural planar ternary rings Dalibor Klucký (1995) Mathematica Bohemica In the paper the invariant (geometrical) character of some properties of natural planar ternary rings is shown by using isotopic transformations.