@article{MV_1970_22_2_a3,
     author = {R. U. Verma},
     title = {Addition theorem on {G-function} of  two variables},
     journal = {Matemati\v{c}ki vesnik},
     pages = {165 },
     year = {1970},
     volume = {22},
     number = {2},
     url = {http://geodesic.mathdoc.fr/item/MV_1970_22_2_a3/}
}