FORSYTH, ANDREW RUSSEL Theory of Differential Equation Andrews, Russell L'Affaire Gideon Russell, Forsyth Andrew Lectures on the Differential Geometry of Curves and Surfaces Forsyth, Andrew Russell Theory of Differential Equation Russell, Forsyth Andrew Lectures on the Differential Geometry of Curves and Surfaces Forsyth, Andrew Russell Theorie der Differentialgleichungen: Erster Teil: Exakte Gleichungen und das Pfaff'sche Problem Forsyth, Andrew Russell Lectures Introductory to the Theory of Functions of two Complex Variables; Delivered to the Universi Sök bara efter: Forsyth, Andrew Russell