no. 1
Supercuspidal representations of GSp 4 over a local field of residual characteristic 2, part I
Compositio Mathematica, Tome 79 (1991) no. 1, pp. 109-122. 
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     author = {Asmuth, Charles and Keys, C. David},
     title = {Supercuspidal representations of $GSp_4$ over a local field of residual characteristic 2, part {I}},
     journal = {Compositio Mathematica},
     pages = {109--122},
     publisher = {Kluwer Academic Publishers},
     volume = {79},
     number = {1},
     year = {1991},
     mrnumber = {1112282},
     zbl = {0781.22012},
     language = {en},
     url = {http://archive.numdam.org/item/CM_1991__79_1_109_0/}
}
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Asmuth, Charles; Keys, C. David. Supercuspidal representations of $GSp_4$ over a local field of residual characteristic 2, part I. Compositio Mathematica, Tome 79 (1991) no. 1, pp. 109-122. http://archive.numdam.org/item/CM_1991__79_1_109_0/

[H] R. Howe, "Tamely ramified supercuspidal representations of GLn." Pac. Jour. Math 73 (1977) 437-460. | MR | Zbl

[I] N. Iwahori, "Generalized Tits systems (Bruhat decomposition) on P-adic semisimple groups." in Algebraic Groups and Discontinuous Subgroups, Proc. Symp. Pure Math., vol. 9, Amer. Math. Soc., (1966). | MR | Zbl

[K] P. Kutzko, "On restriction of supercuspidal representations to compact open subgroups." Duke Jour. Math. 52 (1985) 753-764. | MR | Zbl

[KM] P. Kutzko and D. Manderscheid, "On the supercuspidal representations of GL4, I." Duke Jour. Math. 52 (1985) 841-867. | MR | Zbl

[M] A. Moy, "Representations of GSp4(F) over a p-adic field, parts 1 and 2." Compositio Math. 66 (1988) 237-284, 285-328. | Numdam | MR | Zbl