Asymptotic formulae. Jakimczuk, Rafael — 2004 JIPAM. Journal of Inequalities in Pure & Applied Mathematics [electronic only]
A note on sums of powers which have a fixed number of prime factors. Jakimczuk, Rafael — 2005 JIPAM. Journal of Inequalities in Pure & Applied Mathematics [electronic only]
Functions of slow increase and integer sequences. Jakimczuk, Rafael — 2010 Journal of Integer Sequences [electronic only]
Restricted partitions. Jakimczuk, Rafael — 2004 International Journal of Mathematics and Mathematical Sciences
Integer sequences, functions of slow increase, and the Bell numbers. Jakimczuk, Rafael — 2011 Journal of Integer Sequences [electronic only]