BibTeX

@ARTICLE{iumj7762,
    author = "Colleen Ackermann and Peter Haissinsky and Aimo Hinkkanen",
     title = "Equilateral triangle skew condition for quasiconformality",
   journal = "Indiana Univ. Math. J.",
  fjournal = "Indiana University Mathematics Journal",
    volume = 68,
      year = 2019,
     issue = 5,
     pages = "1591--1608",
      issn = "0022-2518",
     coden = "IUMJAB",
   mrclass = "",
}

amsrefs

\bib{iumj7762}{article}{
     author = {Ackermann, Colleen},
     author = {Haissinsky, Peter},
     author = {Hinkkanen, Aimo},
      title = {Equilateral triangle skew condition for quasiconformality},
    journal = {Indiana Univ. Math. J.},
     volume = {68},
       year = {2019},
     number = {5},
      pages = {1591 \ndash 1608},
}