Zobrazeno 1 - 3
of 3
pro vyhledávání: '"Jennifer, Fidler"'
Publikováno v:
Archiv der Mathematik. 110:539-547
We provide a geometric condition that guarantees strong Wilf equivalence in the generalized factor order. This provides a powerful tool for proving specific and general Wilf equivalence results, and several such examples are given.
Publikováno v:
Addiction (Abingdon, England). 108(9)
To assess the incidence of long-term smoking cessation as a function of age, gender, social grade and their interactions.Cross-sectional surveys of population representative samples of smokers in England.A total of 24 094 ever smokers (≥21 and ≤6
Publikováno v:
Addiction (Abingdon, England). 107(5)
There is a growing interest in very low rate [fewer than one cigarette per day (CPD)] and light (one to nine CPD) smokers and in some parts of the world their numbers appear to be increasing. This paper examined changes in prevalence over the past 5