Differential and difference equations /
Brand, Louis, 1885-
Differential and difference equations / Louis Brand. - New York : Wiley, 1966. - xvi, 698 p. : ill.
Differential equations.
Difference equations.
Differential and difference equations / Louis Brand. - New York : Wiley, 1966. - xvi, 698 p. : ill.
Differential equations.
Difference equations.