Naveen Garg, Dorit S. Hochbaum. An O (log k)-Approximation Algorithm for the k Minimum Spanning Tree Problem in the Plane. Algorithmica, 18(1):111-121, 1997.
@article{GargH97, title = {An O (log k)-Approximation Algorithm for the k Minimum Spanning Tree Problem in the Plane}, author = {Naveen Garg and Dorit S. Hochbaum}, year = {1997}, researchr = {https://researchr.org/publication/GargH97}, cites = {0}, citedby = {0}, journal = {Algorithmica}, volume = {18}, number = {1}, pages = {111-121}, }