... existence of solutions to boundary value problems on time scales, to appear in Dynam Contin Discrete Impuls Systems S G Topal, Second-order periodic boundary value problems on time scales, Comput ... A Peterson, Dynamic Equations on Time Scales, Birkh¨ user Boston, Masa sachusetts, 200 1 M Bohner and A Peterson (eds.), Advances in Dynamic Equations on Time Scales, Birkh¨ user a Boston, Massachusetts, ... is extended to time scales A good source for this method, if T = R, is [5] However, on time scales the situation is more complicated and additional conditions containing the graininess function...