1.
Deneva S. ON NONHOLONOMIC PROBLEMS FOR THE MOTION OF RIGID BODY ON A ROUGH SURFACE. Ann. Sofia Univ. Fac. Math. and Inf. [Internet]. 1991 Dec. 12 [cited 2024 Nov. 22];82(2):111-34. Available from: https://annual.uni-sofia.bg/index.php/fmi/article/view/539