[1] BUTNARIU D.-KLEMENT E. P.: Triangular norm-based measures and their Markov kernel representation. J. Math. Anal. Appl. 169 (1991), 111-143. MR 1135265 | Zbl 0751.60003

[2] DVUREČENSKIJ A.-PULMANNOVA S.: Difference posets, effects and quantum measurements. Internat. J. Theoret. Phys. 33 (1994), 819-850. MR 1286161 | Zbl 0806.03040

[3] CHOVANEC F.-KOPKA F.: On a representation of observables in D-posets of fuzzy sets. Tatra Mt. Math. Publ. 1 (1992), 19-24. MR 1230458 | Zbl 0795.03096

[4] JUREČKOVÁ M.-RIEČAN B.: On the strong law of large numbers in D-posets. Internat J. Theoret. Phys. 34 (1995), 1495-1500. MR 1353692

[5] KOPKA F.-CHOVANEC F.: D-posets. Math. Slovaca 44 (1994), 21-34. MR 1290269 | Zbl 0789.03048

[6] MESIAR R.: Fuzzy observables. J. Math. Anal. Appl. 174 (1993), 178-193. MR 1212925 | Zbl 0777.60005

[7] MESIAR R.-RIEČAN B.: On the joint observables in some quantum structures. Tatra Mt. Math Publ. 3 (1993), 183-190. MR 1278533

[8] NAVARA M.-PTÁK P.: Difference posets and orthoalgebras.

[9] PYKACZ J.: Quantum logics as families of fuzzy subsets of the set of physical states. In: Proc. 2nd Int. Fuzzy Systems Assoc. Congress, Tokyo, Vol. 2, Tokyo, 1987, pp. 437-440.

[10] RIEČAN B.: Fuzzy connectives and quantum models. In: Cybernetics and Systems Research '92. Vol. 1 (R. Trappl, ed.), 1992, pp. 335-338.

[11] RIEČAN B.: On the almost everywhere convergence of observables in some algebraic structures. Atti Sem. Mat. Fis. Univ. Modena 44 (1996), 95-104. MR 1405232 | Zbl 0860.60095

[12] RIEČANOVÁ Z.-BRŠEL D.: Contraexamples in difference posets and, orthoalgebras. Internat. J. Theoret. Phys. 23 (1994), 133-141. MR 1263303