@article{PIM_1978_N_S_24_38_a13,
     author = {M. Mili\v{c}i\'c},
     title = {A {Multiplication} {Of} {M-Relations}},
     journal = {Publications de l'Institut Math\'ematique},
     pages = {103 },
     publisher = {mathdoc},
     volume = {_N_S_24},
     number = {38},
     year = {1978},
     url = {http://geodesic.mathdoc.fr/item/PIM_1978_N_S_24_38_a13/}
}