"boyce, william . "
elementary differential equations and boundary: value problems/ william.. boyce - 52 ed. - new york : john wiley & sons inc 1965. - "xiv, 533p.; 24 cm."
471 09331 9 hard cover
QA371 / B773 1969
elementary differential equations and boundary: value problems/ william.. boyce - 52 ed. - new york : john wiley & sons inc 1965. - "xiv, 533p.; 24 cm."
471 09331 9 hard cover
QA371 / B773 1969