@article{MV_1979_31_1_a5,
     author = {M. Maiti and T. K. Pal},
     title = {Some results on orbital contractions},
     journal = {Matemati\v{c}ki vesnik},
     pages = {31 },
     year = {1979},
     volume = {31},
     number = {1},
     url = {http://geodesic.mathdoc.fr/item/MV_1979_31_1_a5/}
}