@article{JSFU_2019_12_6_a4,
     author = {Maria A. Stepanova},
     title = {On analytical complexity of antiderivatives},
     journal = {\v{Z}urnal Sibirskogo federalʹnogo universiteta. Matematika i fizika},
     pages = {694--698},
     publisher = {mathdoc},
     volume = {12},
     number = {6},
     year = {2019},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/JSFU_2019_12_6_a4/}
}