(1972). Perturbation methods in non-linear systems / G.E.O. Giacaglia.
Chicago-čujuhus (17. p.)Perturbation Methods in Non-linear Systems / G.E.O. Giacaglia. 1972.
MLA-čujuhus (9. p.)Perturbation Methods in Non-linear Systems / G.E.O. Giacaglia. 1972.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.