"0, . "
unit 4 a field of force and some numerical methods of solvin: g differential equaations/ - 1 ed. - uk : o.u.p. 1972. - ", 52p.; 30 cm."
includes bibliography
335 01172 1
531. uni
unit 4 a field of force and some numerical methods of solvin: g differential equaations/ - 1 ed. - uk : o.u.p. 1972. - ", 52p.; 30 cm."
includes bibliography
335 01172 1
531. uni