@article{CM_1986__60_2_163_0,
     author = {Hall, R. R. and Tenenbaum, G.},
     title = {The average orders of {Hooley{\textquoteright}s} $\Delta _r$-functions, {II}},
     journal = {Compositio Mathematica},
     pages = {163--186},
     publisher = {Martinus Nijhoff Publishers},
     volume = {60},
     number = {2},
     year = {1986},
     zbl = {0614.10037},
     language = {en},
     url = {http://www.numdam.org/item/CM_1986__60_2_163_0/}
}