Churchill, Ruel V.
Operational mathematics / Textual Documents Reul V Churchill. - 2nd ed. - New York : McGraw-Hill Book, 1958. - ix, 337 p.,
Spherical Harmonies Mathematics-Operational
517.352 / CHU
Operational mathematics / Textual Documents Reul V Churchill. - 2nd ed. - New York : McGraw-Hill Book, 1958. - ix, 337 p.,
Spherical Harmonies Mathematics-Operational
517.352 / CHU