"collatz, lothar n. "
differential equations:an introduction with applications: / lothar.n. collatz - 1 ed. - usa : john willey & sons 1986. - "x, 372p.; 23 cm."
0 471 90955 6 hard cover
differential equations 1.
QA371 / .C65 1986
differential equations:an introduction with applications: / lothar.n. collatz - 1 ed. - usa : john willey & sons 1986. - "x, 372p.; 23 cm."
0 471 90955 6 hard cover
differential equations 1.
QA371 / .C65 1986