@article{WBLN_2018__5__A4_0,
     author = {David T Gay},
     title = {From {Heegaard} splittings to trisections; porting $3$-dimensional ideas to dimension $4$},
     journal = {Winter Braids Lecture Notes},
     note = {talk:4},
     pages = {1--19},
     publisher = {Winter Braids School},
     volume = {5},
     year = {2018},
     doi = {10.5802/wbln.24},
     language = {en},
     url = {https://proceedings.centre-mersenne.org/articles/10.5802/wbln.24/}
}