Zb. Rad. Prirod.-Mat. Fak. Ser. Mat. Novi Sad, 21, 2 (1991 ... · that every poly-algebra can be...

Preview:

Citation preview

1

Zb. Rad. Prirod.-Mat. Fak. Ser. Mat. Novi Sad, 21, 2 (1991), 141−156

2

3

4

5

6

7

8

Recommended