Rc. Vaughan, ON A VARIANCE ASSOCIATED WITH THE DISTRIBUTION OF GENERAL SEQUENCES IN ARITHMETIC PROGRESSIONS - I, Philosophical transactions-Royal Society of London. Physical sciences and engineering, 356(1738), 1998, pp. 781-791
An asymptotic formula of Montgomery-Hooley type is established for gen
eral sequences which, for relatively small moduli, are approximately e
quidistributed in the reduced residue classes.