@article{MZ_1996__223_3_174930,
     author = {Matti Jutila},
     title = {The additive divisor problem and its analogs for {Fourier} coefficients of cusp forms. {I.}},
     journal = {Mathematische Zeitschrift},
     pages = {435--462},
     publisher = {mathdoc},
     volume = {223},
     number = {3},
     year = {1996},
     zbl = {0865.11062},
     url = {http://geodesic.mathdoc.fr/item/MZ_1996__223_3_174930/}
}