On entire and meromorphic functions that share small functions with their derivatives. Yu, Kit-Wing — 2003 JIPAM. Journal of Inequalities in Pure & Applied Mathematics [electronic only]
On the value distribution of ϕ ( z ) [ f ( z ) ] n - 1 f ( k ) ( z ) . Yu, Kit-Wing — 2002 JIPAM. Journal of Inequalities in Pure & Applied Mathematics [electronic only]