@article{MV_1969_21_2_a8,
     author = {S. Mili\v{c}},
     title = {Ob odnom dokazatel'stve teoremy {Shrejera} v strukturah},
     journal = {Matemati\v{c}ki vesnik},
     pages = {161 },
     year = {1969},
     volume = {21},
     number = {2},
     url = {http://geodesic.mathdoc.fr/item/MV_1969_21_2_a8/}
}