Sklyarenko, M.S., A.G. Yastrebov, and P.G. Frick. 2006. “Velocity Field Reconstruction Using Distributed Tracers”. Numerical Methods and Programming (Vychislitel’nye Metody I Programmirovanie) 7 (7):41-46. https://en.num-meth.ru/index.php/journal/article/view/191.