"0, . "
numericals solutions of differential equations fourier serie: s/ - 1 ed. - uk : open university 1972. - ", 39p.; 29 cm."
335 01113 6
--
515. uni
numericals solutions of differential equations fourier serie: s/ - 1 ed. - uk : open university 1972. - ", 39p.; 29 cm."
335 01113 6
--
515. uni