@article{10_4153_CJM_1967_061_9,
     author = {Ogawa, Hajimu},
     title = {Lower {Bounds} for {Solutions} of {Parabolic} {Differential} {Inequalities}},
     journal = {Canadian journal of mathematics},
     pages = {667--672},
     year = {1967},
     volume = {19},
     number = {1},
     doi = {10.4153/CJM-1967-061-9},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1967-061-9/}
}