@article{ARM_1995__31_4_a4,
     author = {B\'alint, Vojtech and Lauron, Philippe},
     title = {Improvement of inequalities for the $(r,q)$-structures and some geometrical connections},
     journal = {Archivum mathematicum},
     pages = {283--289},
     publisher = {mathdoc},
     volume = {31},
     number = {4},
     year = {1995},
     mrnumber = {1390587},
     zbl = {0846.05012},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ARM_1995__31_4_a4/}
}