MUODILAI KLERO, muodilai differensialii oddii tartibi yakumi namudi u — khu’ + /(u#)“RO girand, ki dar on / funksiyai diffe- rensironidashavandai dodashuda ast. Muodilai mazkurro bori avval soli 1734 matematiki fransavi A. Klero (1713—65) tadqiq kardaast. Muodilai Klero dar shakli okhirnok integronida meshavad. Halli umumii Muodilai Klero plan khathoi rosti
y = Cx + f(C)
(S — doimii ikhtiyori) meboshad.
gayr az in halli umumi Muodilai Klero doroi halli makhsusi
* = —/'(r), u = —pf‘(p) + /(r)
(r — parametr) ast, ki ihotagirii oilai khathoi rosti dar bolo nomburda meboshad.