Mogilnykh I. Completely Regular Codes in Johnson and Grassmann Graphs with Small Covering Radii. Electron. J. Combin. [Internet]. 2022Jun.17 [cited 2026Apr.4];29(2):P2.57. Available from: https://www.combinatorics.org/ojs/index.php/eljc/article/view/v29i2p57