@article{NSJOM_2003_33_1a_5,
     author = {M. Hajdukovi\'c and Z. Suvajd\v{z}in and Z. \v{Z}ivanov},
     title = {A problem of 

 program execution time measurement},
     journal = {Novi Sad Journal of Mathematics},
     pages = {67-73},
     publisher = {mathdoc},
     volume = {33},
     number = {1},
     year = {2003},
     url = {http://geodesic.mathdoc.fr/item/NSJOM_2003_33_1a_5/}
}