@article{FPM_2008_14_4_a5,
     author = {E. M. Vechtomov and D. V. Chuprakov},
     title = {The principal kernels of semifields of continuous positive functions},
     journal = {Fundamentalʹna\^a i prikladna\^a matematika},
     pages = {87--107},
     publisher = {mathdoc},
     volume = {14},
     number = {4},
     year = {2008},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FPM_2008_14_4_a5/}
}