2 citations to https://www.mathnet.ru/eng/vmumm939

1. A. N. Bakhvalov, “On the local behaviour of the multidimensional $\Lambda$-variation”, Sb. Math., 201:11 (2010), 1563–1578                  
2. A. N. Bakhvalov, “Examples of Divergent Fourier Series for Classes of Functions of Bounded $\Lambda$-Variation”, Math. Notes, 86:5 (2009), 629–636