@article{TMF_1998_117_2_a4,
     author = {J. de Boer and M. B. Halpern},
     title = {Conformal field theories: {From} old to new},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {221--226},
     publisher = {mathdoc},
     volume = {117},
     number = {2},
     year = {1998},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1998_117_2_a4/}
}