Normal view
MARC view
Chelkak, Sergej I., 1947- (Personal Name)
Koshelev, A. Regularity of solutions of quasilinear elliptic systems, 1985: t.p. (Sergej I. Chelkak) p. 2 of cover (b. 1947, since 1971 at Leningrad Electrotechnical Institute)