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

Invitation to operadic dynamicsPaal, EugenJournal of generalized Lie theory and applications2007 / 1, p. 57-63 https://www.researchgate.net/publication/49598955_Invitation_to_operadic_dynamics