[1] FRASER G. A.:
Tensor product of semilattices and distributive lattices. Semigroup Forum 13 (1976), 178-184.
MR 0427177
[2] FULP R.:
Tensor and torsion products of semigroups. Pacific J. Math. 32 (1970). 685-696.
MR 0272928 |
Zbl 0223.20080
[3] GALANOVÁ J.:
The tensor product on a variety. ln: Universal and Applied Algebra. Procееdings of thе V. Univеrsal algеbra symposium Turava 1988, World Scientifìc. 1989. pp. 92-98.
MR 1084397
[4] GRILLET P. A.:
Thе tensor product of semigroups. Тrans. Amer. Math. Soc. 138(1969). 267-280.
MR 0237687
[5] GRILLEТ P. A.:
The tensor product of commutative semigroups. Тrans. Amer. Math. Soc. 138 (1969), 281-293.
MR 0237688
[6] HEAD Т. J.:
Homomorphisms of commutative semigroups as tensor maps. J. Natur. Sci. Math. 7 (1967), 39-49.
MR 0230828 |
Zbl 0167.02101
[7] SAТKO L.: Tensor Products of Semigroups and Groupoids. (Slovak). Doctoral Тhesis. EF SVŠТ, Bratislava, 1977.
[8] SAТKO L.:
Thе greatest semigroup image of a groupoid. Pure Math. Appl. Ser. A 3 (1992), 259-265.
MR 1249259