@article{HHA_2016_18_1_a20,
     author = {Aaron Adcock and Erik Carlsson and Gunnar Carlsson},
     title = {The ring of algebraic functions on persistence bar codes},
     journal = {Homology, homotopy, and applications},
     pages = {381--402},
     publisher = {mathdoc},
     volume = {18},
     number = {1},
     year = {2016},
     doi = {10.4310/HHA.2016.v18.n1.a21},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4310/HHA.2016.v18.n1.a21/}
}