1. Abramov, N.I., Problems of optimal design of physically nonlinear hyperstatic systems (in Russian), Stroit. Mekh. Raschet Sooruzh. (1971), 4, 57–60.
2. Akhmadalev, M., Computer analysis of minimal weight hyperstatic trusses by the method of successive approximation (in Russian), Izv. AN. UzbSSR, Ser. Tekhn. Nauk (1966), 3, 39–40.
3. Alenin, V.P., Some problems of rational design of spatial frames allowing for stability constraints (in Russian), Issled. Rasch. Stroit. Konstr. (1977), 2. 14–21.
4. Amari, M., Yamakawa, H., Okumura, A., Optimum design of framed structures with regard to elastic buckling, Bull. JSME 22 (1979), 165, 309–318.
5. Arifkhodjayev, S.A., Tuychiyev, N.D., On minimization of volume of certain frames (in Russian), Izv. AN UzbSSR, Ser. Tekhn. Nauk (1968), 3, 25–29.