Functional series /
Fikhtengol'ts, Grigoriĭ Mikhaĭlovich.
Silverman, Richard A.(Richard Allan),1926-
New York London Gordon and Breach
1970
Originally published in 'Kurs differentsial'nogo i integral'nogo ischisleniia'. Moskva (Moscow): Nauka, 1966-
Series, Infinite.