MIHIȚ , Claudia Luminița, and Mihail MEGAN. “Integral Characterizations for the (h, K)-Splitting of Skew-Evolution Semiflows”. Studia Universitatis Babeș-Bolyai Mathematica, vol. 62, no. 3, Sept. 2017, pp. 353–365, doi:10.24193/subbmath.2017.3.08.