Forsyth, Andrew Russell, 1858-1942.
A treatise on differential equations / A. R. Forsyth... - 6th ed. - London, Macmillan and co., limited 1929 - xviii, 583 p. 22 1/2 cm
Differential equations.
517.38 / FOT
A treatise on differential equations / A. R. Forsyth... - 6th ed. - London, Macmillan and co., limited 1929 - xviii, 583 p. 22 1/2 cm
Differential equations.
517.38 / FOT