@article{SIGMA_2019_15_a87,
     author = {Primitivo B. Acosta-Hum\'anez and Marius van der Put and Jaap Top},
     title = {Variations for {Some} {Painlev\'e} {Equations}},
     journal = {Symmetry, integrability and geometry: methods and applications},
     year = {2019},
     volume = {15},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SIGMA_2019_15_a87/}
}