@article{RM_2015_70_3_a1,
     author = {M. \`E. Kazarian and S. K. Lando},
     title = {Combinatorial solutions to integrable hierarchies},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {453--482},
     year = {2015},
     volume = {70},
     number = {3},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_2015_70_3_a1/}
}