**Erdős, P.**, I. Joó,**L. A. Székely**(1987) Remarks on infinite series,*Studia Sci. Math. Hung.*, 22: 395-400- Hyunju Kim, Z. Toroczkai,
**I. Miklós**, P. L. Erdős,**L. A. Székely**(2009) Degree-based graph construction,*J. Phys. A.*, to appear.

On the other hand, I do not have a joint publication with Paul Erdős. Then my Erdős number is bigger than 1, hence it is 2.