@article{10_4064_cm_56_2_291_298,
     author = {S. Singh},
     title = {Homotopy groups of arc complements in $S^n$ or {Q}},
     journal = {Colloquium Mathematicum},
     pages = {291--298},
     publisher = {mathdoc},
     volume = {56},
     number = {2},
     year = {1988},
     doi = {10.4064/cm-56-2-291-298},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-56-2-291-298/}
}