"martin, william t. "
elementary differencial equations: / william.t. martin - 1 ed. - uk : addison-wesley 1961. - "xiii, 331p.; 23 cm."
hard cover
517. 38 mar
elementary differencial equations: / william.t. martin - 1 ed. - uk : addison-wesley 1961. - "xiii, 331p.; 23 cm."
hard cover
517. 38 mar