@article{Lawler1972, 
     author = "Lawler, E. L.", 
     doi = "10.1287/mnsc.18.7.401", 
     issn = "0025-1909", 
     journal = "Management Science", 
     link = "http://pubsonline.informs.org/doi/abs/10.1287/mnsc.18.7.401", 
     number = "7", 
     pages = "401--405", 
     title = "A Procedure for Computing the K Best Solutions to Discrete Optimization Problems and Its Application to the Shortest Path Problem", 
     uri = "http://pubsonline.informs.org/doi/abs/10.1287/mnsc.18.7.401", 
     volume = "18", 
     year = "1972", 
}

Problems: 79