Coalgebra, cocomposition and cohomologyOziewicz, Zbigniew; Paal, Eugen; Rozanski, JerzyNon-associative algebra and its applications1994 / p. 314-322

Operads and nonassociative deformationsPaal, EugenNon-associative algebra and its applications2006 / p. 323-328 https://www.taylorfrancis.com/chapters/edit/10.1201/9781420003451-34/operads-nonassociative-deformations-eugen-paal