@article{ZNSL_2001_279_a6,
     author = {A. O. Ivanov and V. L. Hong and A. A. Tuzhilin},
     title = {Planar {Manhattan} local minimal and critical networks},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {111--140},
     year = {2001},
     volume = {279},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2001_279_a6/}
}