TY  - JOUR
AU  - Lj. 

 Petković
AU  - M. Petković
AU  - D. Živković
TI  - Hansen-Ptrick's 

 family is of Laguerre's type
JO  - Novi Sad Journal of Mathematics
PY  - 2003
SP  - 109
EP  - 115
VL  - 33
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/NSJOM_2003_33_1a_8/
ID  - NSJOM_2003_33_1a_8
ER  -