c1f1+c2f2+..+cnfn <-> c1F1+c2F2+..
f(at) <-> (1/a)F(s/a)
e^(at)f(t) <-> F(s-a)
Ha(t)f(t-a) <-> e^(-as)F(s)
 n        n      n-1        (n-1)
f(t) <-> s F(s)-s  f(0)-..-f    (0)

f'<->sF-f(0)
f''<->s^2F-sf(0)-f'(0)
t
Sf(T)dT <-> F(s)/s
0
    n n        (n)
(-1) t f(t)<->F (s)
           oo
f(t)/t <-> S F(T)dT
    t      s
f*g=Sf(u)g(t-u)du<->F(s)G(s)
    0

limF(s)=0
s->oo
                               T
f(t)=f(t+T) <-> (1/(1-e^(-sT)))Se^(-st)f(t)dt
                               0
