@article{PIM_1989_N_S_46_60_a15,
     author = {Manojlo Maravi\'c},
     title = {On the {Asymptotic} {Behaviour} of the {Gthetak-means} of {Eigenfunction} {Expansion} {Related} to the {Slowly} {Oscillating} {Functions} {With} {Remainder} {Term}},
     journal = {Publications de l'Institut Math\'ematique},
     pages = {104 },
     publisher = {mathdoc},
     volume = {_N_S_46},
     number = {60},
     year = {1989},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PIM_1989_N_S_46_60_a15/}
}