@article{PIM_1977_N_S_22_36_a2,
     author = {W. Basilewitsch},
     title = {Das {Torsionsproblem} {Eines} {Rechteckigen} {Rohrs} {Mit} {Zwei} {Rechteckigen} {Kan\"alen}},
     journal = {Publications de l'Institut Math\'ematique},
     pages = {31 },
     publisher = {mathdoc},
     volume = {_N_S_22},
     number = {36},
     year = {1977},
     url = {http://geodesic.mathdoc.fr/item/PIM_1977_N_S_22_36_a2/}
}