1. On general and reproductive solutions of arbitrary equations;Banković;Publ. Inst. Math. (Beograd),1979
2. Equations on finite sets;Banković;Bull. Soc. Math. Belg. Sér. B,1989
3. All general solutions of finite equation;Banković;Publ. Inst. Math. (Beograd),1990
4. A generalisation of Löwenheim's theorem;Banković;Bull. Soc. Math. Belg. Sér A,1992
5. A note on reproductive solutions;Boić;Publ. Inst. Math. (Beograd),1975