Podobne knjige/članki

• Amel'kin, V.V. (BE-BEL); Korsantiya, O. B. (BE-BSPU). Isochronous and strongly isochronous second-order holomorphic dynamical systems on the plane. Differ. Uravn. 43 (2007), no. 2, 161-164, 285; translation in Differ. Equ. 43 (2007), no. 2, 164-167 /
  od: Romanovski, Valery.
• Amel'kin, V. V. (BE-BEL). On the order of strong isochronity of plane dynamical systems. Differ. Uravn. 43 (2007), no. 10, 1427-1429, 1440 /
  od: Romanovski, Valery.
• Cherkas, L.A. An sharp estimate for the number of limit cycles of autonomous systems on the plane. (Russian) Differ. Uravn. 39 (2003), no. 6, 797-806, 861; translation in Differ. Equ. 39 (2003), no. 6, 797-806. /
  od: Romanovski, Valery.
• Cherkas, L.A. An estimate for the number of limit cycles using critical points of a conditional extremus. (Russian) Differ. Uravn. 39 (2003), no. 10, 1334-1413, 1437; translation in Differ. Equ. 39 (2003), no. 10, 1404-1413. /
  od: Romanovski, Valery.
• 43. člen : (volilna pravica) /
  od: Toplak, Jurij.