First Day Cover
首日封
Sobrescrito de 1.º Dia
Russia150th Birth Anniversary of V.A. Steklov (1864-1926)
Date of Issue : 9 January 2014
The main works of Vladimir Andreevich Steklov (1864-1926) pertain to mathematical physics, mechanics, quadrature formulae of approximation theory, asymptotical methods.
The postage stamp depicts the portrait of V.A. Steklov; the background is the Steklov function.
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