... (t) , Vk (t) }dt + f(UOkhk - uOh (t) )vk (l ,t) dt, (t) 0 hay T T T flhr (t) 11 2t + f hk (t) vi (l ,t) dt + fhk (t) u(l ,t) vk (l ,t) dt d 0 T + f(F(Uk (t) )-F(u (t) ),Vk (t) )dt (4.58) T T = f(Vk (t) ) Vk (t) }dt ... (1, t) v(1, t) ]dt + f(F(Uk (t) ), vet) )dt 0 T (4.53) T = f(fk (t) , v (t) )dt + UOk (t) v(l ,t) dt, fhk 0 Uk(0) = Uk (T) , T T T f(U' (t) , vet) )dt + f[(ur (t) , Vr (t) ) + h (t) u(l ,t) v(l, t) ]dt + f(F(u (t) ), ... fh (t) -u~(l ,t) dt dt dt T (4.25) +0 f(lum (t) IP-2 Um (t) ,u~ T (t) }dt T = f(J (t) ,u~ (t) )dt + Uofh (t) u~ (l ,t) dt 0 Tir (4.9') ta th~y r~ng Td f-Ilumr dt (t) 11 2t = 0, d T f( f(lum (t) IP-2um (t) ,u~ (t) }dt=~ P fr2dr...