TY - JOUR AU - Goujard, Elise AU - Möller, Martin TI - Pillowcase covers: counting Feynman-like graphs associated with quadratic differentials JO - Algebraic and Geometric Topology PY - 2020 SP - 2451 EP - 2510 VL - 20 IS - 5 UR - http://geodesic.mathdoc.fr/articles/10.2140/agt.2020.20.2451/ DO - 10.2140/agt.2020.20.2451 ID - 10_2140_agt_2020_20_2451 ER -