@article{AFST_2005_6_14_4_663_0,
     author = {Gavrilov, Lubomir},
     title = {Higher order {Poincar\'e-Pontryagin} functions and iterated path integrals},
     journal = {Annales de la Facult\'e des sciences de Toulouse : Math\'ematiques},
     pages = {663--682},
     publisher = {Universit\'e Paul Sabatier, Institut de math\'ematiques},
     address = {Toulouse},
     volume = {Ser. 6, 14},
     number = {4},
     year = {2005},
     mrnumber = {2188587},
     zbl = {1104.34024},
     language = {en},
     url = {http://www.numdam.org/item/AFST_2005_6_14_4_663_0/}
}