[1] R.H. Bruck: Some results in the theory of quasigroups. Trans. American Math. Soc. 5 (1944), 19–52. MR 0009963 | Zbl 0063.00635

[2] R.H. Bruck: Analogues of the ring of rational integers. Proc. American Math. Soc. 6 (1955), 50–57. DOI 10.1090/S0002-9939-1955-0069805-6 | MR 0069805 | Zbl 0064.03002

[3] R.H. Bruck: A Survey of Binary Systems. Springer Verlag, 1958. MR 0093552 | Zbl 0081.01704

[4] R.H. Bruck: What is a loop?. Studies in Modern Algebra, A.A. Albert (ed.), Math. Assn. of America, 1963, pp. 59–99. Zbl 0199.05202

[5] J. Denes & A. D. Keedwell: Latin Squares and their Applications. English Universities Press, 1974. MR 0351850

[6] I. M. H. Etherington: Nonassociative arithmetics. Proc. Royal Soc. Edinburgh 62 (1939), 442–453. MR 0029898

[7] T. Evans: Some remarks on a paper of R.H. Bruck. Proc. American Math. Soc. 7 (1956), 211–220. DOI 10.1090/S0002-9939-1956-0078982-3 | MR 0078982

[8] T. Evans: Non-associative number theory. American Math. Monthly 64 (1957), 299–309. DOI 10.2307/2309589 | MR 0093534

[9] P. Holgate: Plenary stable quasigroups. Comment. Math. Univ. Carolinæ 32 (1991), 1–8. MR 1118283 | Zbl 0734.20032

[10] H. Popova: Logarithmétiques des quasigroupes finis. Comptes Rendus Acad. Sci. Paris 234 (1953), 1936–1937.

[11] H. Popova: Sur les quasigroupes dont les logarithmétiques sont groupes. ibid. 2582–2583. MR 0049179

[12] H. Popova: Sur les vecteurs dérivés des quasigroupes unis. ibid. 235 (1953), 1360–1362. MR 0051220

[13] H. Popova: Logarithmétiques réductibles de quasigroupes. ibid. 1589–1591.

[14] H. Popova: L’isotopie des logarithmétiques des quasigroupes finis. ibid. 236 (1953), 769–771. MR 0053927

[15] H. Popova: Sur la logarithmétique d’une boucle. ibid. 1220–1222. MR 0053928 | Zbl 0048.01207

[16] H. Popova: Logarithmetics of finite quasigroups. I. Proc. Edinburgh Math. Soc. (2) 9 (1954), 74–81. DOI 10.1017/S0013091500021325 | MR 0066370 | Zbl 0056.25501

[17] H. Popova: Logarithmetics of finite quasigroups. II. ibid. (1956), 109–115. MR 0081294 | Zbl 0072.25501