• Coalgebra, cocomposition and cohomologyOziewicz, Zbigniew; Paal, Eugen; Rozanski, JerzyNon-associative algebra and its applications1994 / p. 314-322
• Coassociativity, cohomology and quantum determinantOziewicz, Zbigniew; Paal, Eugen; Rozanski, JerzyAlgebras, groups and geometries1995 / 2, p. 99-109 https://www.researchgate.net/publication/269024862_Coassociativity_cohomology_and_quantum_determinant
• Derivations in braided geometryOziewicz, Zbigniew; Paal, Eugen; Rozanski, JerzyActa physica Polonica. Series B1995 / 7, p. 1253-1273: ill
• Graph Operad Logic X2013