@article{PismaZhETF.97.587,
    title = {Luttinger liquid with one impurity: equivalent field theory and duality},
    author = {Afonin, V. V. and Petrov, V. Yu.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {97},
    issue = {9},
    pages = {587},
    year = {2013},
    doi = {10.7868/S0370274X13090014},
    url = {http://jetpletters.ru/ps/dx/10.7868/S0370274X13090014},
}