@article{JRAM_1970__242_151011,
     author = {M. van der Put and S.S. Abhyankar},
     title = {Homomorphisms of analytic local rings.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {26--60},
     publisher = {mathdoc},
     volume = {242},
     year = {1970},
     zbl = {0193.00501},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1970__242_151011/}
}