@article{JRAM_1974__0268_0269_151455,
     author = {Jun-ichi Igusa},
     title = {Complex powers and asymptotic expansions. {I.} {Functions} of certain types.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {110--130},
     publisher = {mathdoc},
     volume = {0268_0269},
     year = {1974},
     zbl = {0287.43007},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1974__0268_0269_151455/}
}