@article{PIM_1977_N_S_21_35_a4,
     author = {Nata\v{s}a B. Bo\v{z}ovi\'c},
     title = {On {Markov} {Properties} {Of} {Finitely} {Presented} {Groups}},
     journal = {Publications de l'Institut Math\'ematique},
     pages = {29 },
     publisher = {mathdoc},
     volume = {_N_S_21},
     number = {35},
     year = {1977},
     url = {http://geodesic.mathdoc.fr/item/PIM_1977_N_S_21_35_a4/}
}