@misc{AlonsoCastroHauserKoutschan17,
 author = {Mariemi E. Alonso and Francisco J. Castro-Jim\'{e}nez and Herwig Hauser and Christoph Koutschan},
 title = {Echelons of power series and {G}abrielov's counterexample to nested linear {A}rtin approximation},
 year = {2017},
 howpublished = {Submitted for publication},
}