1. Perturbation Methods in Fluid Mechanics;Van Dyke,1964
2. Perturbation Methods;Nayfeh,1973
3. Some problems of the non-homogeneous elasticity theory;Sotkilava;PMM,1974
4. Elastic equilibrium of an unbounded body with a thin inclusion;Panasiuk;Dokl. Akad. Nauk USSSR,1976
5. Ellipsoidal inhomogeneity in an elastic continuous medium;Kunin;Dokl. Akad. Nauk SSSR,1971