1. J. B. Keller, ?Diffraction by a convex cylinder,? Trans. IRE,AP-4, 312?321 (1956).
2. V. M. Babich and N. S. Grigor'eva, ?Diffraction of short waves by an oblate spheroid,? Zap. Nauchn. Sem. Leningrd. Otd. Mat. Inst. Akad. Nauk SSSR,42, 12?58 (1974).
3. V. M. Babich, ?An estimate for Green's function for the Helmholtz equation in the shadow zone,? Vestn. Leningr. Gos. Univ., Ser. Mat., Mekh. Astron., No. 7, 5?15 (1965).
4. I. V. Olimpiev, ?Estimates of the field in the shadow zone in the diffraction of a cylindrical wave by a bounded, convex cylinder,? Dokl. Akad. Nauk SSSR,156, No. 5, 1068?1071 (1964).
5. V. M. Babich and I. V. Olimpiev, ?Estimates of the field in the shadow zone in the diffraction of a cylindrical wave by a bounded, convex cylinder,? in: Third All-Union Symposium on Wave diffraction [in Russian], Nauka (1964), pp. 104?105.