groups of automorphisms of algebraic systems translated k.a.hirsch
plotkin,b.i.
groups of automorphisms of algebraic systems translated k.a.hirsch - 1st.ed. | Groningen Wolters-Noordhoff 1972
groups of automorphisms of algebraic systems translated k.a.hirsch - 1st.ed. | Groningen Wolters-Noordhoff 1972