Alternative analysis generated by a differential equation. Khukhunashvili, Z.Z.; Khukhunashvili, V.Z. — 2003 Electronic Journal of Qualitative Theory of Differential Equations [electronic only]
Addendum to: “Alternative analysis generated by a differential equation”. Khukhunashvili, Z.Z.; Khukhunashvili, V.Z. — 2004 Electronic Journal of Qualitative Theory of Differential Equations [electronic only]