@article{NSJOM_2005_35_2a_11,
     author = {A. Petojevi\'c},
     title = {New formulae for $K_i(z)$ function},
     journal = {Novi Sad Journal of Mathematics},
     pages = {123-132},
     publisher = {mathdoc},
     volume = {35},
     number = {2},
     year = {2005},
     url = {http://geodesic.mathdoc.fr/item/NSJOM_2005_35_2a_11/}
}