B. V. Simonov, I. E. Simonova, V. A. Ivanyuk, “Neravenstvo Kolyady dlya chastnykh modulei gladkosti funktsii s lakunarnymi koeffitsientami Fure”, Izv. Sarat. un-ta. Nov. ser. Ser.: Matematika. Mekhanika. Informatika, 22:4 (2022), 447–457
Khursheed Ansari, Sedef Karak{\i}lıç, Faruk Özger, “Bivariate Bernstein-Kantorovich operators with a summability method and related GBS operators”, Filomat, 36:19 (2022), 6751