@article{ZVMMF_2013_53_3_a14,
     author = {S. A. Abramov and E. A. Bordachenkova and D. E. Khmel'nov},
     title = {Extendable essay as a hypertext scheme for information and educational material},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {495--501},
     publisher = {mathdoc},
     volume = {53},
     number = {3},
     year = {2013},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_2013_53_3_a14/}
}