Geodesic
The number of $(p,q)$-corridors and $(p,q)$-labyrinths
Trudy Matematicheskogo Instituta imeni V.A. Steklova, Tome 30 (1975) no. 2 
A. A. Panov. The number of $(p,q)$-corridors and $(p,q)$-labyrinths. Trudy Matematicheskogo Instituta imeni V.A. Steklova, Tome 30 (1975) no. 2. http://geodesic.mathdoc.fr/item/RM_1975_30_2_a16/
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Voir la notice de l'article provenant de la source Math-Net.Ru

[1] B. Sendov, B. Penkov, “$\varepsilon$-entropiya i $\varepsilon$-emkost mnozhestva nepreryvnykh funktsii”, Vestn. MGU{, ser. 1}, 1962, no. 3, 15–19 | MR

[2] B. Sendov, “Nekotorye voprosy teorii priblizhenii funktsii i mnozhestv v khausdorfovoi metrike”, UMN, 24:5 (1969), 141–178 | MR | Zbl