2575.  (Fisica - Matematica - Equazioni)
SMIRNOV M. M.
Problems on The Equations of Matematical Physics. Translated by W. I. M. Wils
s. l., Noordhoff - Groningen - The Netherlands, 1966.

Euro 75,00

In-8°, pp. 101, legat. edit. con sovrac. con piccoli segni d'uso. Indice: Reduction of partial differential equations with two indipendent variables to canonical form; The mehtod of characteristics; Separation of variables.