@article{MASLO_1969_19_2_a4,
     author = {Havel, V\'aclav},
     title = {Coupled systems of type $\bold T$},
     journal = {Mathematica slovaca},
     pages = {113--115},
     year = {1969},
     volume = {19},
     number = {2},
     mrnumber = {0303394},
     zbl = {0186.54302},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/MASLO_1969_19_2_a4/}
}