Prüfer and Dedekind monoids. M. Satyanarayana; M.P. Dorofeeva; V.L. Mannepalli — 1974 Semigroup forum
PRÜFER AND DEDEKIND MONOIDS II. M. Satyanarayana; M.P. Dorofeeva; V.L. Mannepalli — 1975 Semigroup forum