@article{MV_1977_29_1_a27,
     author = {P. M. Mili\v{c}i\'c},
     title = {Les syst\'emes orthonormaux dans des espaces vectoriels norm\'es},
     journal = {Matemati\v{c}ki vesnik},
     pages = {243 },
     year = {1977},
     volume = {29},
     number = {1},
     url = {http://geodesic.mathdoc.fr/item/MV_1977_29_1_a27/}
}