@article{10_4064_ap_47_1_17_24,
     author = {Le Tien Tam},
     title = {Characterizations of $H_x_1$-sufficiency of jets},
     journal = {Annales Polonici Mathematici},
     pages = {17--24},
     publisher = {mathdoc},
     volume = {47},
     number = {1},
     year = {1986},
     doi = {10.4064/ap-47-1-17-24},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/ap-47-1-17-24/}
}