Plakhta LP. Cohomological correlations for sets of singular points of the actions of $Z/4$ group by $(S^n)^k$. Ukr. Mat. Zhurn. [Internet]. 1992Aug.3 [cited 2024Oct.6];44(7):991-5. Available from: https://umj.imath.kiev.ua/index.php/umj/article/view/8133