@article{10_4064_fm_84_2_157_168, author = {A. Kirkor}, title = {About neighborhoods of surfaces integrally unknotted in $S^3$}, journal = {Fundamenta Mathematicae}, pages = {157--168}, publisher = {mathdoc}, volume = {84}, number = {2}, year = {1974}, doi = {10.4064/fm-84-2-157-168}, language = {en}, url = {http://geodesic.mathdoc.fr/articles/10.4064/fm-84-2-157-168/} }