Efim Mikhaĭlovich Polishchuk · 4 obras en el catálogoObrasEĖmilʹ Borelʹ, 1871-1956Ėmilʹ Borelʹ, 1871-1956SSofus Li, 1842-1899Sofus Li, 1842-1899ZZhak Adamar, 1865-1963Zhak Adamar, 1865-1963Continual means and boundary value problems in function spaces