Calculus of Several Variables.
Lang, Serge
Calculus of Several Variables. - 3rd Ed. - New York Springer - Verlag. 1987 - Undergraduate Texts in Mathematics .
0378964053
Calculus
Functions of Several Real Variables.
Calculus of Several Variables. - 3rd Ed. - New York Springer - Verlag. 1987 - Undergraduate Texts in Mathematics .
0378964053
Calculus
Functions of Several Real Variables.