@article{ARM_1974__10_3_a0,
     author = {Hsieh, Po Fang},
     title = {On a reduction of nonlinear ordinary differential equations at an irregular type singularity},
     journal = {Archivum mathematicum},
     pages = {129--147},
     publisher = {mathdoc},
     volume = {10},
     number = {3},
     year = {1974},
     mrnumber = {0470334},
     zbl = {0334.34011},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ARM_1974__10_3_a0/}
}