1. S. P. Timoshenko and S. Woinowsky-Krieger, Theory of Plates and Shells, McGraw-Hill (1959).
2. G. N. Savin, Stress Concentration around Holes [in Russian], Gostekhizdat, Moscow-Leningrad (1951).
3. É. I. Grigolyuk and L. A. Fil'shtinskii, Perforated Plates and Shells [in Russian], Nauka, Moscow (1970).
4. L. M. Kurshin and I. D. Suzdal'nitskii, ?Elastoplastic problem for a plate weakened by a doubly periodic system of circular holes,? Prikl. Matem. Mekh.,32, No. 3 (1968).