@article{MABA_1990_4_1_a5,
     author = {Carlos Lizama},
     title = {On {Positive} {Strongly} {Continuous} {Cosine} {Functions}},
     journal = {Mathematica balkanica},
     pages = {43},
     year = {1990},
     volume = {4},
     number = {1},
     url = {http://geodesic.mathdoc.fr/item/MABA_1990_4_1_a5/}
}