TY - JOUR AU - Marina I. Tulina TI - Explicit Variational Formulas for Third-order Equations on Riemann Surfaces JO - Žurnal Sibirskogo federalʹnogo universiteta. Matematika i fizika PY - 2013 SP - 365 EP - 375 VL - 6 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/JSFU_2013_6_3_a10/ LA - en ID - JSFU_2013_6_3_a10 ER -