Citation: Bv. Rublev et Yi. Petunin, The smooth metric in the class of plane figures with piecewise-convex and concave boundary. Part II, CYB SYS AN, 35(2), 1999, pp. 271-278
Citation: Bv. Rublev et Yi. Petunin, The smooth metric in the class of plane figures with piecewise-convex and concave boundary. Part I, CYB SYS AN, 35(1), 1999, pp. 118-127