Christov, C. and Tzankov, I. (1993) “Numerical investigation of the boundary layer flow around impulsively moved cylinder”, Ann. Sofia Univ. Fac. Math. and Inf, 84, pp. 103–122. Available at: https://admin.uni-sofia.bg/index.php/fmi/article/view/474 (Accessed: 16 January 2025).