Loonstra, F. The classes of partially ordered groups. (English) Zbl 0043.25602 Compos. Math. 9, 130-140 (1951). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 3 Documents Keywords:group theory PDF BibTeX XML Cite \textit{F. Loonstra}, Compos. Math. 9, 130--140 (1951; Zbl 0043.25602) Full Text: Numdam EuDML OpenURL