@article{10_4064_sm_90_3_213_233,
     author = {Maciej Skwarczy\'nski},
     title = {L{\texttwosuperior}-Angles between one-dimensional tubes},
     journal = {Studia Mathematica},
     pages = {213--233},
     year = {1988},
     volume = {90},
     number = {3},
     doi = {10.4064/sm-90-3-213-233},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm-90-3-213-233/}
}