Basdouri, O. et al. 2020. The second cohomology spaces $\mathcal{K}(2)$ with coefficents in the superspace of weighted densities. Український математичний журнал. 72, 10 (Oct. 2020), 1323–1334. DOI:https://doi.org/10.37863/umzh.v72i10.6030.