@article{RCP25_1993__45__151_0,
     author = {Kharlamov, V. M. and Turaev, V. G.},
     title = {On the {Definition} of $2${-Category} of $2${-Knots}},
     journal = {Les rencontres physiciens-math\'ematiciens de Strasbourg -RCP25},
     note = {talk:7},
     pages = {151--166},
     publisher = {Institut de Recherche Math\'ematique Avanc\'ee - Universit\'e Louis Pasteur},
     volume = {45},
     year = {1993},
     language = {en},
     url = {http://www.numdam.org/item/RCP25_1993__45__151_0/}
}