@article {2011:shemyakova_ord1_wronskians,
   author = {Shemyakova, Ekaterina},
   affiliation = {Dorodnicyn Computing Center, Russian Academy of Sciences, ul. Vavilova 40, Moscow, 119333 Russia},
   title = {Laplace transformations as the only degenerate Darboux transformations of first order},
   journal = {Programming and Computer Software},
   publisher = {MAIK Nauka/Interperiodica distributed exclusively by Springer Science+Business Media LLC.},
   issn = {0361-7688},
   keyword = {Computer Science},
   pages = {105-108},
   volume = {38},
   issue = {2},
   url = {http://dx.doi.org/10.1134/S0361768812020053},
   note = {10.1134/S0361768812020053},
   year = {2012}
}