@article{MV_1965_17_1_a13,
     author = {B. Marti\'c},
     title = {On some iterative methods of summability},
     journal = {Matemati\v{c}ki vesnik},
     pages = {80 },
     year = {1965},
     volume = {17},
     number = {1},
     url = {http://geodesic.mathdoc.fr/item/MV_1965_17_1_a13/}
}