'''__PAPERS__'''

1. JENČA, G.:'' A note on ideals in generalized effect algebras, ''Tatra Mountains Mathematical Publications''' 16''' (1999), pp.81-85.

2. JENČA,G.: ''Sheaf representations of partial abelian monoids'', Journal of Electrical Engineering''' 50''' (1999), No.10/s, pp.66-70.

3. JENČA,G. - RIEČANOVÁ,Z.: ''On sharp elements in lattice ordered effect algebras,'' BUSEFAL''' 80''' (1999), pp.24-29.

4. JENČA, G.: ''Notes on R1 - ideals in partial abelian monoids, ''Algebra Universalis, '''43''' (2000), pp. 307-319.

5. JENČA, G.: ''Subcentral Ideals in Generalized Effect Algebras, '' International Journal of Theoretical Physics,vol.''' 39''' (2000), No.3, pp.745-756.

6. JENČA, G.- RIEČANOVÁ, Z.: ''A Survey on Sharp Elements in Unsharp Quantum Logics, ''Journal of Electrical Engineering, vol.'''52''' (2001), No.7-8, 237-239.

7. JENČA, G.: ''Blocks of Homogeneous Effect Algebras, ''Bull.Austral.Math.Soc., vol.'''64''' (2001), 81-98.

8. JENČA, G.- PULMANNOVÁ, S.: ''Ideals and Quotients in Lattice Ordered Effect Algebras, Soft Computing, '''''5 '''(2001), 376-380.

9. JENČA,G., PULMANNOVÁ,S.: ''Quotients of Partial Abelian Monoids and the Riesz Decomposition Property, ''Algebra univers, '''47 '''(2002), pp.433 - 477.

10. JENČA,G., MARINOVÁ,I., RIEČANOVÁ,Z.: ''Central elements, blocks and sharp elements of lattice effect algebras, ''Proceeedings of the third seminar Fuzzy sets and Quantum structures, May 2002, Vyhne, Pub. STU Bratislava 2003, pp.28-33.

11. JENČA,G.: ''A Cantor-Bernstein Type Theorem for Effect Algebras, ''Algebra Universalis '''48 '''(2002) pp. 399-411.

12. JENČA,G.: ''Finite Homogenous and Lattice Ordered Effect Algebras'', Discrete Mathematics '''272 '''(2003), pp. 197-214.

13. JENČA,G., PULMANNOVÁ,S.: ''Orthocomplete Effect Algebras'', Proceedings of the American Mathematical Society '''131 '''(2003), No.9, pp. 2663-2671.

14. JENČA, G.: ''Boolean Algebras R-generated by MV-effect Algebras, ''Fuzzy Sets and Systems '''145 '''(2004), pp.279-285.