2 citations to https://www.mathnet.ru/eng/vmumm117

1. M. K. Potapov, B. V. Simonov, “Estimates of partial smoothness moduli in metrics $L_{p_1 \infty}$ and $L_{\infty p_2}$ by partial smoothness moduli in the metrics $L_{p_1 p_2}$”, Moscow University Mathematics Bulletin, 75:1 (2020), 1–15          
2. M. K. Potapov, B. V. Simonov, “Constructive characteristics of full modules of smoothness in mixed metric”, Russian Math. (Iz. VUZ), 62:3 (2018), 45–52