"387" . . "We prove a periodic averaging theorem for generalized ordinary differential equations and show that averaging theorems for ordinary differential equations with impulses and for dynamic equations on time scales follow easily from this general theorem. We also present a periodic averaging theorem for a large class of retarded equations."@en . "[3F89D64CB153]" . "I, Z(MSM0021620839)" . . . . "retarded difference equations; retarded functional differential equations; dynamic equations on time scales; ordinary differential equations with impulses; generalized ordinary differential equations; periodic averaging"@en . "Periodic averaging theorems for various types of equations" . . . "2"^^ . "RIV/00216208:11320/12:10103498!RIV13-MSM-11320___" . . . "16"^^ . "Periodic averaging theorems for various types of equations"@en . . "1"^^ . . . "US - Spojen\u00E9 st\u00E1ty americk\u00E9" . . "Periodic averaging theorems for various types of equations" . "We prove a periodic averaging theorem for generalized ordinary differential equations and show that averaging theorems for ordinary differential equations with impulses and for dynamic equations on time scales follow easily from this general theorem. We also present a periodic averaging theorem for a large class of retarded equations." . . "RIV/00216208:11320/12:10103498" . "Godoy Mesquita, Jaqueline" . . "10.1016/j.jmaa.2011.09.038" . "2" . . "000297229900034" . "Slav\u00EDk, Anton\u00EDn" . . . . "Periodic averaging theorems for various types of equations"@en . "Journal of Mathematical Analysis and Applications" . . . "0022-247X" . "158248" . "11320" .