Muravleva, L.V., and E.A. Muravleva. 2012. “An Iterative Method for Computing the Flows of a Viscoplastic Bingham Medium”. Numerical Methods and Programming (Vychislitel’nye Metody I Programmirovanie) 13 (31):161-71. https://en.num-meth.ru/index.php/journal/article/view/508.