Sanchez, David A.
Differential equations : an introduction. - Massachusetts : Addison-Wesley, 1983. - 516p., index, references. ; cm.
9780201077605
Differential Equations.
QA372.S211
Differential equations : an introduction. - Massachusetts : Addison-Wesley, 1983. - 516p., index, references. ; cm.
9780201077605
Differential Equations.
QA372.S211