| 1x | | Ideal, prvi integral, vektorsko polje, diferencialna enačba, invariantna krivulja, invariantna površina, Darbouxjev prvi integral, Darbouxjev integrirajoči množitelj., planar systems of ODE's, higher dimensional systems of ODE's, phase portrait, nilpotent center, limit cylces, Poincaré compactification, center problem, Bautin ideal, focus quantities, time-reversibility, integrability problem, Darboux method, linearizability, limit cycle, cyclicity |
