@article{MBB_2018_13_a1,
     author = {D. A. Tikhonov and L. I. Kulikova and A. V. Efimov},
     title = {Analysis of torsion angles between helical axes in pairs of helices in protein molecules},
     journal = {Matemati\v{c}eska\^a biologi\^a i bioinformatika},
     pages = {t17--t28},
     publisher = {mathdoc},
     volume = {13},
     year = {2018},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/MBB_2018_13_a1/}
}