@article{10_26493_1855_3974_831_e12,
     author = {Manoj Changat and Ferdoos Hossein Nezhad and Peter F. Stadler},
     title = {
		{Axiomatic} characterization of transit functions of hierarchies
	},
     journal = {Ars Mathematica Contemporanea},
     pages = {117--128},
     publisher = {mathdoc},
     volume = {14},
     number = {1},
     year = {2018},
     doi = {10.26493/1855-3974.831.e12},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.26493/1855-3974.831.e12/}
}