@article{PDA_1981_11_1_a4,
     author = {A. Kubi\v{c}ela and M. Karabin},
     title = {Detailed {Treatment} of {Synodic} {Solar} {Rotation}},
     journal = {Publications of the Department of Astronomy},
     pages = {35 - 42},
     publisher = {mathdoc},
     volume = {11},
     number = {1},
     year = {1981},
     url = {http://geodesic.mathdoc.fr/item/PDA_1981_11_1_a4/}
}