@article{PismaZhETF.94.823,
    title = {Abrikosov vortex escape from a columnar defect as a topological electronic  transition in vortex core},
    author = {Mel'nikov, A. S. and Samokhvalov, A. V.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {94},
    issue = {10},
    pages = {823},
    year = {2011},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_29587.shtml},
}