Celebratio Mathematica

D. L. Burk­hold­er and R. F. Gundy: “Ex­tra­pol­a­tion and in­ter­pol­a­tion of quasi-lin­ear op­er­at­ors on mar­tin­gales,” Acta Math. 124 (1970), pp. 249–​304. MR 0440695 Zbl 0223.​60021 article

D. L. Burk­hold­er, R. F. Gundy, and M. L. Sil­ver­stein: “A max­im­al func­tion char­ac­ter­iz­a­tion of the class \( H^{p} \),” Trans. Amer. Math. Soc. 157 (1971), pp. 137–​153. MR 0274767 Zbl 0223.​30048 article

D. L. Burk­hold­er and R. F. Gundy: “Ex­tra­pol­a­tion and in­ter­pol­a­tion of quasi-lin­ear op­er­at­ors on mar­tin­gales,” Matem­atika 15 : 3 (1971), pp. 91–​141. Rus­si­an trans­la­tion of art­icle pub­lished in Acta Math. 124 (1970). Zbl 0223.​60022 article

D. L. Burk­hold­er and R. F. Gundy: “Dis­tri­bu­tion func­tion in­equal­it­ies for the area in­teg­ral,” pp. 527–​544 in Col­lec­tion of art­icles hon­or­ing the com­ple­tion by Ant­oni Zyg­mund of 50 years of sci­entif­ic activ­ity, VI, published as Stu­dia Math. 44 : 6. Państ­wowe Wydawn­ict­wo Naukowe (Warsaw), 1972. MR 340557 Zbl 0219.​31009 incollection

D. L. Burk­hold­er, B. J. Dav­is, and R. F. Gundy: “In­teg­ral in­equal­it­ies for con­vex func­tions of op­er­at­ors on mar­tin­gales,” pp. 223–​240 in Pro­ceed­ings of the sixth Berke­ley sym­posi­um on math­em­at­ic­al stat­ist­ics and prob­ab­il­ity (Berke­ley, CA, 21 June–18 Ju­ly 1970), vol. 2: Prob­ab­il­ity the­ory. Edi­ted by L. Le Cam, J. Ney­man, and E. L. Scott. Uni­versity of Cali­for­nia Press (Berke­ley and Los Angeles, CA), 1972. MR 400380 Zbl 0253.​60056 incollection

D. L. Burk­hold­er and R. F. Gundy: “Bound­ary be­ha­viour of har­mon­ic func­tions in a half-space and Browni­an mo­tion,” Ann. Inst. Four­i­er (Gren­oble) 23 : 4 (1973), pp. 195–​212. MR 365691 Zbl 0253.​31010 article