Kemperman, J. H. B. On complexes in a semigroup. (English) Zbl 0072.25605 Nederl. Akad. Wet., Proc., Ser. A 59, 247-254 (1956). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 4 ReviewsCited in 35 Documents Keywords:Group Theory PDFBibTeX XMLCite \textit{J. H. B. Kemperman}, Nederl. Akad. Wet., Proc., Ser. A 59, 247--254 (1956; Zbl 0072.25605)