Quasi-groups

[1] HASSE H, HOEHERE ALGEBRA, P52

[2] Theory of quasi groups [J]. AMERICAN JOURNAL OF MATHEMATICS, 1937, 59 : 983 - 1004

[3] Quasi groups which satisfy certain generalized associative laws [J]. AMERICAN JOURNAL OF MATHEMATICS, 1939, 61 : 509 - 522

[4] SCHONHARDT E, 1930, J MATH, V163, P203

[5] On a generalization of the Associative Law [J]. TRANSACTIONS OF THE AMERICAN MATHEMATICAL SOCIETY, 1929, 31 (1-4) : 204 - 214

[1] HASSE H, HOEHERE ALGEBRA, P52

[2] Theory of quasi groups [J]. AMERICAN JOURNAL OF MATHEMATICS, 1937, 59 : 983 - 1004

[3] Quasi groups which satisfy certain generalized associative laws [J]. AMERICAN JOURNAL OF MATHEMATICS, 1939, 61 : 509 - 522

[4] SCHONHARDT E, 1930, J MATH, V163, P203

[5] On a generalization of the Associative Law [J]. TRANSACTIONS OF THE AMERICAN MATHEMATICAL SOCIETY, 1929, 31 (1-4) : 204 - 214